import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
public class Main {
    //Program start
    
    //Program end

    @Test
public void test1() {
    assertEquals(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList("alice","one")),new ArrayList<>(Arrays.asList("bob","two")))), mostPopularCreator(new ArrayList<>(Arrays.asList("alice","bob","alice","chris")), new ArrayList<>(Arrays.asList("one","two","three","four")), new ArrayList<>(Arrays.asList(5,10,5,4))));
}
@Test
public void test2() {
    assertEquals(new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList("alice","b")))), mostPopularCreator(new ArrayList<>(Arrays.asList("alice","alice","alice")), new ArrayList<>(Arrays.asList("a","b","c")), new ArrayList<>(Arrays.asList(1,2,2))));
}

}