from bisect import bisect_right


n = int(input())
la_list = [tuple(map(int, input().split())) for _ in range(n - 1)]

q = int(input())
query_list = [tuple(map(int, input().split())) for _ in range(q)]

# クエリ2を解くグラフ（森になるはず）を作る
g = [[] for _ in range(n + 1)]
levels = [-1] * (n + 1)
for i, (l, a) in enumerate(la_list):
    g[a].append((i + 2, l))
levels[1] = 0

# 探索
queue = []
queue.append((1, 0))
while len(queue):
    p, level_p = queue.pop()
    for q, level_q in g[p]:
        new_level = max(level_p, level_q)
        levels[q] = new_level

# クエリ1を解くためにbisectする
level_list = list(sorted([x for x in levels if x >= 0]))

res_list = []
for query in query_list:
    if query[0] == 1:
        res = bisect_right(level_list, query[1])
    else:
        res = levels[query[1]]
    res_list.append(res)
    
for res in res_list:
    print(res)