#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
using ll = long long;
void solve()
{
    string s1, s2, s3;
    cin >> s1 >> s2 >> s3;
    int n = min({s1.size(), s2.size(), s3.size()});
    if (s1.size() != s2.size())
    {
        cout << "NO" << endl;
        return;
    }
    if (s3.size() != s1.size())
    {
        cout << "YES" << endl;
        return;
    }
    for (int i = 0; i < n; i++)
    {
        if (s3[i] != s1[i] && s3[i] != s2[i])
        {
            cout << "YES" << endl;
            return;
        }
    }
    cout << "NO" << endl;
}
int main()
{
#ifdef x3ea
    freopen("in.txt", "r", stdin);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    int _ = 1;
    cin >> _;
    for (; _; _--)
        solve();
    return 0;
}