#include <bits/stdc++.h>
using namespace std;

int main(){
    int t,flag1=0,flag2=0,x;
	cin>>t;
	while(t--){
		string s,v,o;
		cin>>s;
		if(s[0]=='e'&&s[1]=='a'&&s[2]=='t')flag1=1;
		cin>>v;
		cin>>o;
	if(o[0]=='e'&&o[1]=='a'&&o[2]=='t')flag2=1;
		if(flag1==1&&flag2==1)cout<<"or"<<endl;
		else if(flag1==1){
			for(int i=0;i<=o.length()-2;i++){
		        cout<<o[i];
		}
		cout<<endl;
		}
		
		else if(flag2==1){
				for(int i=0;i<=s.length()-1;i++){
		cout<<s[i];
		}
		cout<<endl;
	}
	else {
		for(int i=0;i<=s.length()-1;i++){
		cout<<s[i];
		}
		cout<<endl;
	}
		flag1=0;
		flag2=0;
	} 
    return 0;
}