A skateboarder props up on a pole does not imply that he competes in a tournament.
This justifies what answer for what question? Q & A: 
Given the sentence "A skateboarder props up on a pole just before descending." can we conclude that "A skateboarder competes in a tournament."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
A skateboarder props up on a pole does not imply that he competes in a tournament.
This justifies what answer for what question? Q & A: 
user
Given the sentence "A skateboarder props up on a pole just before descending." can we conclude that "A skateboarder competes in a tournament."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
assistant
A skateboarder props up on a pole does not imply that he competes in a tournament.
This justifies what answer for what question? Q & A: 
Given the sentence "A skateboarder props up on a pole just before descending." can we conclude that "A skateboarder competes in a tournament."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell