A man surfs on a medium sized wave in the ocean.
A man is surfing.
Is the premise "A man surfs on a medium sized wave in the ocean." true if "A man is surfing."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
Is the premise "A man surfs on a medium sized wave in the ocean." true if "A man is surfing."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant