Stream of consciousness rationale: Not all tricks are done to show off. Doing a trick does not imply that it is for a girlfriend.
The question and answer pair are described below.
Q: Given the sentence "One teenage guy doing a trick over a flight of stairs on a skateboard." can we conclude that "A young man showing off for his girlfriend."?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell