A surfer is on a wave.
A person surfing.
Is the premise "A surfer is on a wave." true if "A person surfing."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is the premise "A surfer is on a wave." true if "A person surfing."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant