The snowboarder has used a ramp-shaped snow pile to hurl himself or herself into the air.
A person is snowboarding.
If "The snowboarder has used a ramp-shaped snow pile to hurl himself or herself into the air.", can we conclude "A person is snowboarding."?

Options: 

 - yes

 - it is not possible to tell

 - no
yes
If "The snowboarder has used a ramp-shaped snow pile to hurl himself or herself into the air.", can we conclude "A person is snowboarding."?

Options: 

 - yes

 - it is not possible to tell

 - no
user
yes
assistant