A swimmer does the backstroke in a swimming pool.
A swimmer does the backstroke while another man is watching.
If "A swimmer does the backstroke in a swimming pool.", can we conclude "A swimmer does the backstroke while another man is watching."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
If "A swimmer does the backstroke in a swimming pool.", can we conclude "A swimmer does the backstroke while another man is watching."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant