A surfer performs a trick.
A surfer with his board is in the ocean.
Is the premise "A surfer performs a trick." true if "A surfer with his board is in the ocean."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is the premise "A surfer performs a trick." true if "A surfer with his board is in the ocean."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant