#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

bool Solve()
{
    var n = I<int>() * 2;
    var xz = new List<int>();
    var yz = new List<int>();
    for (var i = 0; i < n; i++)
    {
        var x = I<int>();
        var y = I<int>();
        var c = I<string>();
        if (c != "x") xz.Add(x);
        else yz.Add(y);
    }
    if (xz.Count < yz.Count) (xz, yz) = (yz, xz);
    var l = yz.Count;
    xz.Sort();
    var last = -1;
    foreach (var x in xz)
    {
        if (x == last)
        {
            last = -1;
            continue;
        }
        if (last >= 0) l--;
        last = x;
    }
    return l >= 0;
}

var ans = new List<string>();
var t = I<int>();
while (t-- > 0) ans.Add(Solve() ? "Yes" : "No");
Console.WriteLine(string.Join(Environment.NewLine, ans));