#include <iostream>
#include<cstdio>
using namespace std;
 
int main() {
	// your code goes here
	long int t,x,y,k,n,i,c,p,count;
	scanf("%ld",&t);
 
	while(t--)
	{count=0;
		scanf("%ld%ld%ld%ld",&x,&y,&k,&n);
	    for(i=0;i<n;i++)
	    {
	    	scanf("%ld%ld",&p,&c);
	    	if(x==y||x<y)
	    	printf("1Luckychef\n");
	    	else{
	    	if(k>=c&&p>=(x-y)){
	    	printf("2LuckyChef\n");
	    	break;}
	    	else
	    		count++;
	    			if(count==n)
	    printf("3UnluckyChef\n");
	    	}
 
	    }
 
 
	}
	return 0;
}

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