A skateboard is grinding on a curb with his skateboard.
The skateboard is grinding.
If "A skateboard is grinding on a curb with his skateboard.", can we conclude "The skateboard is grinding."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A skateboard is grinding on a curb with his skateboard.", can we conclude "The skateboard is grinding."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant