He is on an escalator because he is going down an escalator.
This justifies what answer for what question? Q & A:
Premise: "A balding guy with a blue shirt along with a bunch of other people going down what looks like an escalator."
Based on this premise, can we conclude that the hypothesis "The man in the blue shirt is on an escalator." is true?
Options:
- yes
- it is not possible to tell
- no
yes