A girl wearing a blue shirt is sitting on a couch and drinking soda next to a girl with blond-hair .
It is certain that two girls watch a movie from the couch while one drinks soda .
It is improbable that two girls watch a movie from the couch while one drinks soda .
It is certain that two girls watch a movie from the couch while one drinks soda .
Two girls watch a movie from the couch while one drinks soda .