#include <stdio.h>

#define SIZE 1000
#define NUM 400

void swap(int* a, int* b)
{
	if (a == b) return;
	*a ^= *b;
	*b ^= *a;
	*a ^= *b;
}

int main()
{
	int i, N, K, Q, A[200001], B[200001];
	scanf("%d %d %d", &N, &K, &Q);
	for (i = 1; i <= K; i++) scanf("%d %d", &(A[K-i]), &(B[K-i]));
	
	int j, k = K / SIZE;
	static int block[NUM][400001], tmp[400001];
	for (i = 0; i < k; i++) {
		for (j = 1; j <= N; j++) tmp[j] = j;
		for (j = 0; j < SIZE && j + i * SIZE < K; j++) swap(&(tmp[A[j+i*SIZE]]), &(tmp[B[j+i*SIZE]]));
		for (j = 1; j <= N; j++) block[i][tmp[j]] = j;
	}
	
	int q, L, R, X;
	for (q = 1; q <= Q; q++) {
		scanf("%d %d %d", &L, &R, &X);
		L = K - R;
		R = K - L;
		for (j = L; j <= R && j % SIZE != 0; j++) {
			if (X == A[j]) X = B[j];
			else if (X == B[j]) X = A[j];
		}
		if (j <= R) {
			for (i = j / SIZE; (i + 1) * SIZE <= R; i++) X = block[i][X];
			for (j = i * SIZE; j <= R; j++) {
				if (X == A[j]) X = B[j];
				else if (X == B[j]) X = A[j];
			}
		}
		printf("%d\n", X);
	}
	fflush(stdout);
	return 0;
}