def main():
    n = int(input())
    P = [-1] + list(map(lambda x: int(x)-1, input().split()))
    A = [1] * n
    B = [0] * n
    for i in P[1:]:
        B[i] += 1
    D = [-1] * n
    D[0] = 0
    for i in range(1, n):
        D[i] = D[P[i]]+1
        if D[i] % 2 and B[i] != 1:
            return "First"
    return "Second"

for _ in range(int(input())):
    print(main())