#include <iostream>

 #include <cstdio>

 #include <map>

 #include <set>

 #include <sstream>

 using namespace std;

 map<string,string> map1;

 map<string,string> map2;

 int main(){

     int n;

     string s,s3;

     string dc(",:{}");

     cin >> n;

     while(n--){

         string::size_type pos=;;

         cin >> s;

         set<string> set1;//+

         set<string> set2;//-

         set<string> set3;//*

         map1.clear();

         map1[","]=",";

         while((pos=s.find_first_of(dc,pos))!=string::npos){

             s.replace(pos,," ");

             pos++;

         }

         string buf;

         stringstream ss(s);

         string s1,s2;

         while(ss>>buf){

             if(s1.empty())s1=buf;

             else s2=buf;

             if(!s2.empty()){

                 map1[s1]=s2;

                 s1=s2="";

             }

         }

         /*

         for(auto a : map1){

             cout << a.first << " " << a.second <<endl;

         }

         */

         cin >> s3;

         map2.clear();

         map2[","]=",";

         pos=;

         while((pos=s3.find_first_of(dc,pos))!=string::npos){

             s3.replace(pos,," ");

             pos++;

         }

         stringstream ss1(s3);

         s1=s2="";

         while(ss1>>buf){

             if(s1.empty())s1=buf;

             else s2=buf;

             if(!s2.empty()){

                 map2[s1]=s2;

                 s1=s2="";

             }

         }

         /*

         for(auto a : map2){

             cout << a.first << " " << a.second <<endl;

         }

         */

         for(auto a : map1){

             for(auto b : map2){

                 if(! map1[b.first].empty()){

                     if(map1[b.first]!=b.second){

                         //此处表示修改

                         set3.insert(b.first);

                     }

                 }

                 else {

                     set1.insert(b.first);

                     //表示新增

                 }

             }

         }

         for(auto a : map2){

             for(auto b : map1){

                 if(map2[b.first].empty())

                 {

                     set2.insert(b.first);

                     //表示新增

                 }

             }

         }

         bool is_changed1=,is_changed2=,is_changed3=;

         for(set<string>::iterator it = set1.begin();it!=set1.end();it++){

             if((*it).empty())continue;

             if(it!=set1.begin())cout << ",";

             else cout << "+";

             cout << *it;is_changed1=;

         }

         if(is_changed1)cout <<endl;

         for(set<string>::iterator it = set2.begin();it!=set2.end();it++){

             if((*it).empty())continue;

             if(it!=set2.begin())cout << ",";

             else cout << "-";

             cout << *it;is_changed2=;

         }

         if(is_changed2)cout <<endl;

         for(set<string>::iterator it = set3.begin();it!=set3.end();it++){

             if((*it).empty())continue;

             if(it!=set3.begin())cout << ",";

             else cout << "*";is_changed3=;

             cout << *it;

         }

         if(is_changed3)cout <<endl;

         if(is_changed1+is_changed2+is_changed3==)cout <<"No changes" <<endl;

         cout <<endl;

     }

     return ;

 }