A skateboarder performs a trick.
Someone is on a skateboard
If "A skateboarder performs a trick.", does it logically follow that "Someone is on a skateboard"?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A skateboarder performs a trick.", does it logically follow that "Someone is on a skateboard"?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant