a skateboarder grinds a rail.
An expert skateboarder rides a rail.
Is the premise "a skateboarder grinds a rail." true if "An expert skateboarder rides a rail."?

Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Is the premise "a skateboarder grinds a rail." true if "An expert skateboarder rides a rail."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant