Swimmer does backstroke in swimming lane.
Swimmers are doing backstrokes
Is the premise "Swimmer does backstroke in swimming lane." true if "Swimmers are doing backstrokes"?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is the premise "Swimmer does backstroke in swimming lane." true if "Swimmers are doing backstrokes"?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant