n, k, Q_ = map(int, input().split())
ab = []
P = list(range(n))
for _ in range(k):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    ab.append((a, b))
    P[a], P[b] = P[b], P[a]

X = [0] * Q_
L = [[] for _ in range(k)]
R = [[] for _ in range(k)]
for i in range(Q_):
    l, r, x = map(int, input().split())
    l -= 1
    r -= 1
    x -= 1
    X[i] = x
    L[l].append(i)
    R[r].append(i)

Q = [0] * n
for i, p in enumerate(P):
    Q[p] = i

ans = [0] * Q_
for i in range(k - 1, -1, -1):
    for j in R[i]:
        x = X[j]
        X[j] = P[x]

    a, b = ab[i]
    P[a], P[b] = P[b], P[a]
    a = P[a]
    b = P[b]
    Q[a], Q[b] = Q[b], Q[a]

    for j in L[i]:
        x = X[j]
        ans[j] = Q[x] + 1

print(*ans, sep="\n")