Java Code - If Statements questions - Cleaning up my code

First post here on Stack Overflow, however I've been stalking this site for a while. I am learning Java (I'm super noob at this) and using some websites I found online in order to help me better. One site that I was practicing on was http://programmingbydoing.com and I was completing one of the questions (which admittedly took me about 2 hours... - http://programmingbydoing.com/a/twenty-questions.html) and I came up with this code, which works, however I feel that I may have way too many nested if-statements and could have condensed this long code into something more simpler. I tried creating separate class files in the package (question1.class, question2.class, answers.class) however after not being able to call the classes and returning the values I needed, I gave up and did this:

package twoQuestions;

import java.util.Scanner;

public class twoQuestions {

public static void main (String [] args) {
    String item;        
    System.out.println("TWO QUESTIONS!");
    System.out.println("Think of an object and I will try to guess it!");
    questions();
}

    public static void questions(){

        //Declare variables for user input
        String input1;
        String input2;


        System.out.println("Question 1) Is it an animal, vegetable, or mineral?");
        Scanner input = new Scanner(System.in);
        input1 = input.nextLine();
        if (input1.equalsIgnoreCase("animal") || input1.equalsIgnoreCase("vegetable") || input1.equalsIgnoreCase("mineral")) 
        {
            //Start 2nd question
            System.out.println("Question 2) Is it bigger than a breadbox");
            Scanner inputt = new Scanner(System.in);
            input2 = input.nextLine();
            if (input2.equalsIgnoreCase("yes") || input2.equalsIgnoreCase("no")) {
                if(input1.equalsIgnoreCase("animal") && input2.equalsIgnoreCase("no")) 
                {
                    System.out.println("My guess is that you are thinking of a squirel");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
                else if(input1.equalsIgnoreCase("animal") && input2.equalsIgnoreCase("yes")) 
                {
                    System.out.println("My guess is that you are thinking of a moose");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
                if(input1.equalsIgnoreCase("vegetable") && input2.equalsIgnoreCase("no")) 
                {
                    System.out.println("My guess is that you are thinking of a carrot");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
                if(input1.equalsIgnoreCase("vegetable") && input2.equalsIgnoreCase("yes")) 
                {
                    System.out.println("My guess is that you are thinking of a watermelon");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
                if(input1.equalsIgnoreCase("mineral") && input2.equalsIgnoreCase("no")) 
                {
                    System.out.println("My guess is that you are thinking of a paperclip");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
                if(input1.equalsIgnoreCase("mineral") && input2.equalsIgnoreCase("yes")) 
                {
                    System.out.println("My guess is that you are thinking of a Camaro");
                    System.out.println("I would ask you if I'm right, but I don't actually care");
                }
            }
            else {
                System.out.println("Enter what I asked please");
                questions();
            }
        }
        else {
            System.out.println("Enter what I asked please");
            questions();
            }

}

}

Any help with either condensing this code or help with calling other classes would be great.