T = 10
N = 10**5

t = int(raw_input())

assert 1 <= t <= T


def is_superhero(s):
    return s.endswith("man") or s.endswith("woman")


for _ in xrange(t):
    n = int(raw_input())
    assert n <= 500
    assert 1 <= n <= N
    names_set = set()
    names = []
    for _ in xrange(n):
        names.append(raw_input())
        names_set.add(names[-1])

    assert len(names_set) == n

    for name in names:
        assert 1 <= len(name) <= 15
        for c in name:
            assert 'a' <= c <= 'z'

    superheroes = 1
    villains = 1

    decided = 0

    for name in names:
        if is_superhero(name):
            superheroes += 1
        else:
            villains += 1
        if superheroes >= villains + 2:
            decided = 1
            print "superheroes"
            break
        elif villains >= superheroes + 3:
            decided = 1
            print "villains"
            break

    if not decided:
        print "draw"