#include <bits/stdc++.h>
using namespace std;
long long gcd(long long x, long long y) {
  if (x == 0) return y;
  return gcd(y % x, x);
}
int main() {
  int t;
  long long r, b, k;
  scanf("%d", &t);
  while (t--) {
    scanf("%I64d%I64d%I64d", &r, &b, &k);
    long long Gcd = gcd(r, b);
    r /= Gcd;
    b /= Gcd;
    if (r <= (k - 1) * b + 1 && b <= (k - 1) * r + 1)
      printf("OBEY\n");
    else
      printf("REBEL\n");
  }
}
