An inline skater is grinding down a long rail.
The skater is doing tricks.
Is the premise "An inline skater is grinding down a long rail." true if "The skater is doing tricks."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "An inline skater is grinding down a long rail." true if "The skater is doing tricks."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant