A man is grinding his skateboard on a guard rail.
The man rides skateboards.
If "A man is grinding his skateboard on a guard rail.", can we conclude "The man rides skateboards."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A man is grinding his skateboard on a guard rail.", can we conclude "The man rides skateboards."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant