#include <bits/stdc++.h>
using namespace std;
 
void hhh() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
}
typedef long long ll ;
 
struct cmp {
	bool operator() (const string &a, const string &b) const {
		if (a.size() == b.size()) return a < b;
		else return a.size() < b.size();
	}
};
 
 
int main() {
	hhh();
	int t ;
	cin >> t ;
	cin.ignore();
	while( t--) {
		string word;
		getline(cin, word);
		string del ;
		getline( cin, del);
		// nhap
 
		stringstream ss(word);
		set< string, cmp > str;
		while( ss >> word) {
			str.insert(word);
		}
		// split string str
 
		set <string, cmp > delStr;
		stringstream ss1(del);
		while( ss1 >> del) {
			delStr.insert(del);
		}
		// split string delStr
//Theo độ dài tăng dần.
//Nếu cùng độ dài thì theo thứ tự từ điển tăng dần.
		vector <string > res;
		for( auto  x : str) {
			int fl = 1 ;
			for( auto y : delStr) {
				if( y == x) fl = 0 ;
			}
			if( fl ) res.emplace_back(x) ;
		}
		for( int i = 0 ; i < res.size()  ; i++){
			( i < res.size() - 1 ) ? ( cout << res[i] <<" ") : cout << res[i];
		}
 
		cout << "\n";
	}
}
 

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3
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