A guy is doing a skateboard trick over a rock.
Some guy is skateboarding.
If "A guy is doing a skateboard trick over a rock.", can we conclude "Some guy is skateboarding."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "A guy is doing a skateboard trick over a rock.", can we conclude "Some guy is skateboarding."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant