#include<stdio.h>
#include<string.h>
int main(){
	int T;
	char c1[1000];
	char c2[1000];
	char c3[1000];
	int max1=0,max2=0,max3=0;
	int count=0;
	scanf("%d",&T);
	while(T--){
	count++;
	int n,i;
	char a[1000];
	scanf("%d",&n);
	scanf("%s",a);
	char b[1000];
	int count1=0,count2=0,count3=0;
	for(i=1;i<=n;i++){
	scanf("%s",b);
	if(b[0]==b[1]&&b[1]==b[3]&&b[3]==b[4]&&b[4]==b[6]&&b[6]==b[7])
	count1++;
	else if(b[0]>b[1]&&b[1]>b[3]&&b[3]>b[4]&&b[4]>b[6]&&b[6]>b[7])
	count2++;
	else{
	count3++;
    }
	}
	if(max1<count1){
	max1=count1;
	strcpy(c1,a);
	}
	else if(max1==count1&&count!=1){
	strcat(c1,", ");
	strcat(c1,a);
	}
	else if(max1==0&&count1==0){
	max1=count1;
	strcpy(c1,a);
	}
	if(max2<count2){
	max2=count2;
	strcpy(c2,a);
	}
	else if(max2==count2&&count!=1){
	strcat(c2,", ");
	strcat(c2,a);
	}
	else if(max2==0&&count2==0){
	max2=count2;
	strcpy(c2,a);
	}
	if(max3<count3){
	max3=count3;
	strcpy(c3,a);
	}
	else if(max3==count3&&count!=1){
	strcat(c3,", ");
	strcat(c3,a);
	}
	else if(max3==0&&count3==0){
	max3=count3;
	strcpy(c3,a);
	}
	}
    printf("If you want to have a keyboard, you should call: %s",c1);
    printf(".\n");
    printf("If you want to order a Watchdog2, you should call: %s",c2);
    printf(".\n");
    printf("If you want to have a cup of coffee with a girl, you should call: %s",c3);
    printf(".\n");
    return 0;
}