import collections,sys,math,functools,operator,itertools,bisect,heapq,decimal,string,time,random
#sys.setrecursionlimit(10**9)
#n = int(input())
#alist = list(map(int,input().split()))
hen = collections.defaultdict(list)
#s = input()
n,q = map(int,input().split())
ansestor = [[-1 for i in range(n)] for j in range(math.floor(math.log2(n)) + 1)]
for i in range(n-1):
#    alist.append(list(map(int,input().split())))
    u,v = map(int,input().split())
    u-=1
    v-=1
    hen[u].append(v)
    hen[v].append(u)
#dp = [[0]*n for i in range(m)]
dist = [10**10] * n
dist[0] = 0
d = collections.deque()
d.append(0)
seen = set()
seen.add(0)
while d:
    now = d.popleft()
    for i in hen[now]:
        if i not in seen:
            ansestor[0][i] = now
            d.append(i)
            dist[i] = dist[now] + 1
            seen.add(i)

for i in range(math.floor(math.log2(n))):
    for j in range(n):
        if ansestor[i][j] == -1:
            ansestor[i+1][j] = -1
        else:
            ansestor[i+1][j] = ansestor[i][ansestor[i][j]]

def ans(u,a):
    for i in reversed(range(math.floor(math.log2(n)))):
        if u == -1:
            break
        if (a >> i) & 1:
            u = ansestor[i][u]
    return u

for i in range(q):
    s,t = map(int,input().split())
    s-=1
    t-=1
    sk = s
    st = t
    if dist[s] > dist[t]:
        s = ans(s,dist[s]-dist[t])
    if dist[s] < dist[t]:
        t = ans(t,-dist[s]+dist[t])
    for i in range(math.floor(math.log2(n)),-1,-1):
        ns = ansestor[i][s]
        nt = ansestor[i][t]
        if ns != nt:
            s = ns
            t = nt
    x = ansestor[0][s]
    if dist[sk] == dist[st]:
        
        print(dist[x] + 1)
    else:
        z = dist[sk] - dist[x] + dist[st] - dist[x]
        if z % 2 == 0:
            print(1)
        else:
            print(0)