A male youth is grinding a rail on his skateboard.
A male youth is showing a grinding trick to his friends.
Is the premise "A male youth is grinding a rail on his skateboard." true if "A male youth is showing a grinding trick to his friends."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "A male youth is grinding a rail on his skateboard." true if "A male youth is showing a grinding trick to his friends."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant