#include<iostream>
#include<cstdlib>
#include<cstdio>
#include<cstring>
using namespace std;
int comp(const void*a,const void*b){
return (*(char*)b-*(char*)a);
}
struct stu{
char name[50];
int key,game,coffee;
};
int iskey(char*s){
if(s[0]==s[1]&&s[0]==s[3]&&s[0]==s[4]&&s[0]==s[6]&&s[0]==s[7])
return 1;
else return 0;
}
int isgame(char*s){
if(s[0]>s[1]&&s[1]>s[3]&&s[3]>s[4]&&s[4]>s[6]&&s[6]>s[7])
return 1;
else return 0;
}
int main(){
int x,i,n;
char num[1000];
struct stu data[50];
cin>>x;
for(i=0;i<x;++i){
scanf("%d%s",&n,data[i].name);
getchar();
data[i].key=0,data[i].game=0,data[i].coffee=0;
while(n--){
gets(num);
if(iskey(num)) data[i].key ++;
else if(isgame(num)) data[i].game ++;
else data[i].coffee++;
}
}
int maxk=-1,maxg=-1,maxc=-1;
for(i=0;i<x;++i){
if(data[i].key>maxk) maxk=data[i].key;
if(data[i].game>maxg) maxg=data[i].game;
if(data[i].coffee>maxc) maxc=data[i].coffee;
}
int kn=0,gn=0,cn=0;
for(i=0;i<x;++i){
if(data[i].key==maxk) kn++;
if(data[i].game==maxg) gn++;
if(data[i].coffee==maxc) cn++;
}
cout<<"If you want to have a keyboard, you should call:";
for(i=0;i<x;++i){
if(data[i].key==maxk) {
printf(" %s",data[i].name);kn--;
if(kn)printf(",");
else printf(".\n");
}
}
cout<<"If you want to order a Watchdog2, you should call:";
for(i=0;i<x;++i){
if(data[i].game==maxg) {
printf(" %s",data[i].name);gn--;
if(gn)printf(",");
else printf(".\n");
}
}
cout<<"If you want to have a cup of coffee with a girl, you should call:";
for(i=0;i<x;++i){
if(data[i].coffee ==maxc) {
printf(" %s",data[i].name);cn--;
if(cn)printf(",");
else printf(".\n");
}
}
}