Person who is in middle of playing a game can not be playing by himself because he has not started to play.
The question and answer are below.
Can we conclude from "A young boy is in the middle of playing ping-pong." that "A young boy is playing ping pong by himself."?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell

Leaning over the edge does not necessarily mean she is admiring the view.
The question and answer are below.
If "A woman leaning over the edge of a building." does that mean that "A woman admiring the view."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell

Playing roulette does not imply being in a Las Vegas casino.
The question and answer are below.
Given the sentence "People around a table playing roulette." can we conclude that "People are playing a game of roulette in a las vegas casino."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell