/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone {
    final static char HIGHEST_CHAR = 'z';  // Use Character.MAX_VALUE if unsure.
 
    public static void main(final String[] args) {
    	final Scanner scanner = new Scanner(System.in);
        final boolean[] characterSeen = new boolean[HIGHEST_CHAR + 1];
 
        mainloop:
        for (int word = Integer.parseInt(scanner.nextLine()); word > 0; word--) {
            Arrays.fill(characterSeen, false);
 
            final String word1 = scanner.nextLine();
            for (int i = 0; i < word1.length(); i++) {
                characterSeen[word1.charAt(i)] = true;
            }
 
            final String word2 = scanner.nextLine();
            for (int i = 0; i < word2.length(); i++) {
                if (characterSeen[word2.charAt(i)]) {
                    System.out.println("YES");
                    continue mainloop;
                }
            }
 
            System.out.println("NO");
        }
    }
}

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