A little girl in a gray jacket is riding her bicycle.
A little girl in a gray jacket is doing a wheelie on a ten speed mountain bike.
A girl riding her bicycle is not assumed to be doing a wheelie on a ten speed mountain bike.
Just because a girl is riding her bicycle doesn't mean she is doing a wheelie on a ten speed mountain bike.
Just because she's riding her bicycle doesn't mean she's doing a wheelie or that the bicycle itself is a ten speed mountain bike.