URI Problem (Animal) 1049:
Animal is a basic problem on URI online judge for novice problem solver.
You can find details on this Link.

import java.util.Scanner;

/**
 * @Author : Muhammad Harun-Or-Roshid
 * @Date   : Oct 14, 2016
 * @Time   : 4:21:29 PM
 */
public class Uri1049 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String v1,v2,v3;
        v1 = toLowerAndTrim(sc.next());
        v2 = toLowerAndTrim(sc.next());
        v3 = toLowerAndTrim(sc.next());
        if(v1.equalsIgnoreCase("vertebrado")){
            if(v2.equalsIgnoreCase("ave")){
                if(v3.equalsIgnoreCase("carnivoro")){
                    System.out.println("aguia");
                }else if(v3.equalsIgnoreCase("onivoro")){
                    System.out.println("pomba");
                }
            }else if(v2.equalsIgnoreCase("mamifero")){
                if(v3.equalsIgnoreCase("onivoro")){
                    System.out.println("homem");
                }else if(v3.equalsIgnoreCase("herbivoro")){
                    System.out.println("vaca");
                }
            }
        }else if(v1.equalsIgnoreCase("invertebrado")){
            if(v2.equalsIgnoreCase("inseto")){
                if(v3.equalsIgnoreCase("hematofago")){
                    System.out.println("pulga");
                }else if(v3.equalsIgnoreCase("herbivoro")){
                    System.out.println("lagarta");
                }
            }else if(v2.equalsIgnoreCase("anelideo")){
                if(v3.equalsIgnoreCase("hematofago")){
                    System.out.println("sanguessuga");
                }else if(v3.equalsIgnoreCase("onivoro")){
                    System.out.println("minhoca");
                }
            }
        }
    }

    private static String toLowerAndTrim(String next) {
        return next.trim().toLowerCase();
    }
}