A photographer takes a picture of a group of one girl in a pink dress and 10 boys in suits and hats .
It is probable that a girl and 10 boys are posing for their prom picture .
It is probable that a girl and 10 boys are posing for their prom picture .
It is probably not the case that a girl and 10 boys are posing for their prom picture .
A girl and 10 boys are posing for their prom picture .