#include <stdio.h>
#include <stdlib.h>
struct ren 
{
	char name[66];
	int fuwu1;
	int fuwu2;
	int fuwu3;
};
int main ()
{
	int t;
	int i,k;
	char a,b,c,d,e,f;
	int f1m,f2m,f3m;
	int flag;
	struct ren list[666];
	scanf("%d",&t);
	f1m = f2m = f3m =0;
	for(i=0;i<=t-1;i++)
	{
		scanf("%d",&k);
		getchar();
		scanf("%s",&list[i].name);
		list[i].fuwu1=0;
		list[i].fuwu2=0;
		list[i].fuwu3=0;

		while(k--)
		{
			getchar();
			scanf("%c%c-%c%c-%c%c",&a,&b,&c,&d,&e,&f);
			if(a==b&&b==c&&c==d&&d==e&&e==f)
			{
				list[i].fuwu1++;
			}
			else if(a>b&&b>c&&c>d&&d>e&&e>f)
			{
				list[i].fuwu2++;
			}
			else
			{
				list[i].fuwu3++;
			}
		} 	

		if(f1m<list[i].fuwu1)
		{
			f1m=list[i].fuwu1;
		}
		if(f2m<list[i].fuwu2)
		{
			f2m=list[i].fuwu2;
		}
		if(f3m<list[i].fuwu3)
		{
			f3m=list[i].fuwu3;
		}

	}

	printf("If you want to have a keyboard, you should call: ");
	flag = 0;
	for(i=0;i<=t-1;i++)
	{
		if(flag==0)
		{
			if(list[i].fuwu1==f1m)
			{
				printf("%s",list[i].name);
				flag++;
			}
			
		}
		else
		{
			if(list[i].fuwu1==f1m)
			{
				printf(", %s",list[i].name);
			}
		}
	}
	printf(".\n");


	printf("If you want to order a Watchdog2, you should call: ");
	flag = 0;
	for(i=0;i<=t-1;i++)
	{
		if(flag==0)
		{
			if(list[i].fuwu2==f2m)
			{
				printf("%s",list[i].name);
				flag++;
			}
			
		}
		else
		{
			if(list[i].fuwu2==f2m)
			{
				printf(", %s",list[i].name);
			}
		}
	}
	printf(".\n");


	printf("If you want to have a cup of coffee with a girl, you should call: ");
	flag = 0;
	for(i=0;i<=t-1;i++)
	{
		if(flag==0)
		{
			if(list[i].fuwu3==f3m)
			{
				printf("%s",list[i].name);
				flag++;
			}
			
		}
		else
		{
			if(list[i].fuwu3==f3m)
			{
				printf(", %s",list[i].name);
			}
		}
	}
	printf(".\n");
}