use std::collections::HashMap;

use proconio::{fastout, input, marker::Usize1};

#[fastout]
fn main() {
    input! { t: usize }

    for _ in 0..t {
        let ans = solve();
        println!("{}", if ans { "Yes" } else { "No" });
    }
}

fn solve() -> bool {
    input! {
        n: usize,
        xyc: [(Usize1, Usize1, char); 2* n],
    }

    let mut row = HashMap::new();
    let mut col = HashMap::new();
    for &(x, y, c) in &xyc {
        if c == 'x' {
            *row.entry(y).or_insert(0) ^= 1;
        } else {
            *col.entry(x).or_insert(0) ^= 1;
        }
    }

    row.values().sum::<usize>() == col.values().sum::<usize>()
}