iiitv/ChefLib

//By Savitoj Singh
#include< bits/stdc++.h >
using namespace std;
int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        string s[n];
        int y[5] = {0};
        for (int i=0 ; i < n ; i++) {
            cin >> s[i];
        }
        for (int i=0 ; i < n ; i++) {
            if ( s[i] == "cakewalk" )
                y[0] = 1;
            if ( s[i] == "easy" )
                y[2] = 1;
            if ( s[i] == "simple" )
                y[1] = 1;
            if ( s[i] == "easy-medium" || s[i] == "medium" )
                y[3] = 1;
            if ( s[i] == "hard" || s[i] == "medium-hard" )
                y[4]=1;
        }
        int flag = 1;
        for (int i=0 ; i < 5 ; i++) {
            if(y[i] == 0) {
                flag = 0;
                break;
            }
        }
        if ( flag ) {
            cout << "Yes\n";
        }
        else {
            cout << "No\n";
        }
    }
    return 0;
}