'''
Codeforces Round 986 (Div. 2)
Problem : https://codeforces.com/contest/2028/problem/A
Solution: https://aruljohn.com/blog/alice-adventures-in-chess-problem/
'''

def do_it(a, b, s):
    x, y = 0, 0
    for _ in range(50):
        for direction in s:
            if direction == 'N':
                y += 1
            elif direction == 'S':
                y -= 1
            elif direction == 'E':
                x += 1
            elif direction == 'W':
                x -= 1
            if x == a and y == b:
                return 'YES'
    return 'NO'

t = int(input())
for _ in range(t):
    n, a, b = list(map(int, input().split()))
    s = input()
    print(do_it(a, b, s))