#include <stdio.h>
int main(void)
{
	int T , m ,a ,c;
	    a=0;
		scanf("%d",&T);
		int b[6]; 
			char name[100][20];
			int x[100];
			int y[100];
			int z[100];
	while(T--)
	{
		x[a]=0;
		y[a]=0;
		z[a]=0;
		scanf("%d%s",&m,name[a]);
		while(m--)
		{
		scanf("%d-%d-%d",&b[0],&b[2],&b[4]);
		b[1]=b[0]%10;
		b[3]=b[2]%10;
		b[5]=b[4]%10;
		b[4]=b[4]/10;
		b[2]=b[2]/10;
		b[0]=b[0]/10;
		if(b[1]==b[2]&&b[1]==b[3]&&b[1]==b[4]&&b[1]==b[5]&&b[1]==b[0])
			++x[a];
		else if(b[0]>b[1]&&b[1]>b[2]&&b[2]>b[3]&&b[3]>b[4]&&b[4]>b[5])
			++y[a];
		else
			++z[a];
		}
		a++;
	}
	
	int max,d,f;
	int e[100];
	for(d=1,max=x[0],e[0]=0,f=0;d<a;++d)
	{
	if(x[d]>max)
	{
		f=0;
		e[f]=d;
	max=x[d];
	}
	else if(x[d]==max)
	{
		f++;
		e[f]=d;
	}
	}
	printf("If you want to have a keyboard, you should call: ");
	for(d=0;d<=f;++d)
	{
		if(d==f)
	printf("%s",name[e[d]]);
		else
			printf("%s, ",name[e[d]]);
	}
	printf(".\n");
    for(d=1,max=y[0],e[0]=0,f=0;d<a;++d)
	{
	if(y[d]>max)
	{
		f=0;
		e[f]=d;
	max=y[d];
	}
	else if(y[d]==max)
	{
		f++;
		e[f]=d;
	}
	}
		printf("If you want to order a Watchdog2, you should call: ");
	for(d=0;f>=d;++d)
	{
		if(d==f)
	printf("%s",name[e[d]]);
		else
			printf("%s, ",name[e[d]]);
	}
	printf(".\n");
	    for(d=1,max=z[0],e[0]=0,f=0;d<a;++d)
	{
	if(z[d]>max)
	{
		f=0;
		e[f]=d;
	max=z[d];
	}
	else if(z[d]==max)
	{
		f++;
		e[f]=d;
	}
	}
		printf("If you want to have a cup of coffee with a girl, you should call: ");
	for(d=0;f>=d;++d)
	{
		if(d==f)
	printf("%s",name[e[d]]);
		else
			printf("%s, ",name[e[d]]);
	}
	printf(".");
	return 0;
}