#include<iostream>
#include<vector>
#include<string>
#include<type_traits>
#include<sstream>
#include<tuple>
#include<bitset>
#include<regex>
#include<set>
#include<stack>
#include<queue>
#include<map>
using namespace std;
int T;
void Explain(map<string,string>& str2str,string source){
vector<int> index1, index2;
for (int i = 0; i < source.size(); i++){
if (source[i] == ':') index1.push_back(i);
if (source[i] == ',') index2.push_back(i);
}
index2.push_back(-1);
int pos1 = 0;
for (int i = 0; i < index1.size(); i++){
string key = source.substr(pos1,index1[i]-pos1);
string value;
if (index2[i] != -1){
value = source.substr(index1[i] + 1, index2[i] - index1[i] - 1);
pos1 = index2[i] + 1;
}
else{
value = source.substr(index1[i]+1);
}
str2str[key] = value;
}
}
int main(){
cin >> T;
string del;
getline(cin,del);
while (T--){
string s1;
string s2;
getline(cin,s1);
getline(cin,s2);
s1 = s1.substr(1,s1.size()-2);
s2 = s2.substr(1,s2.size()-2);
map<string, string> ms1;
map<string, string> ms2;
Explain(ms1, s1);
Explain(ms2,s2);
vector<string> Add;
vector<string> Remove;
vector<string> Change;
auto it1 = ms1.begin();
auto it2 = ms2.begin();
while (it1 != ms1.end() && it2 != ms2.end()){
string key1 = it1->first;
string value1 = it1->second;
string key2 = it2->first;
string value2 = it2->second;
if (key1 == key2){
if (value1 != value2){
Change.push_back(key1);
}
it1++;
it2++;
}
else{
if (ms2.find(key1) == ms2.end()){
Remove.push_back(key1);
it1++;
}
if (ms1.find(key2) == ms1.end()){
Add.push_back(key2);
it2++;
}
}
}
while (it1 != ms1.end()){
Remove.push_back(it1->first);
it1++;
}
while (it2 != ms2.end()){
Add.push_back(it2->first);
it2++;
}
bool flag = false;
if (Add.size()){
cout << "+";
flag = true;
for (int i = 0; i < Add.size(); i++){
cout << Add[i];
if (i < Add.size() - 1) cout << ',';
}
cout << endl;
}
if (Remove.size()){
flag = true;
cout << "-";
for (int i = 0; i < Remove.size(); i++){
cout << Remove[i];
if (i < Remove.size() - 1) cout << ",";
}
cout << endl;
}
if (Change.size()){
flag = true;
cout << "*";
for (int i = 0; i < Change.size(); i++){
cout << Change[i];
if (i < Change.size() - 1) cout << ",";
}
cout << endl;
}
if (!flag){
cout << "No changes" << endl;
}
cout << endl;
}
//system("pause");
return 0;
}
