#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 2e5 + 10;
int t = 1, n;

void solve()
{
    string a, b, c;
    cin >> a >> b >> c;
    int la = a.size(), lb = b.size(), lc = c.size();
    if (la == lb && la != lc)
        return cout << "YES" << endl, void();
    if (la != lb)
        return cout << "NO" << endl, void();
    for (int i = 0; i < lc; i++)
    {
        if (c[i] != a[i] && c[i] != b[i])
            return cout << "YES" << endl, void();
    }
    cout << "NO" << endl;
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> t;
    while (t--)
        solve();
    return 0;
}