A boy tries to keep his balance while standing on two floating devices while two others watch.
the boy is riding a bike.
If "A boy tries to keep his balance while standing on two floating devices while two others watch.", does this mean that "the boy is riding a bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
no
If "A boy tries to keep his balance while standing on two floating devices while two others watch.", does this mean that "the boy is riding a bike."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
no
assistant