What was the question for this implicit rationale, and corresponding answer?
One man standing on the ledge behind the billboard does not mean that people are nearby.
 The answer: it is not possible to tell
The question: Premise: "A large billboard of a woman wearing a white shirt and lavender cami is being hung by 2 people in mechanical lift and one man standing on the ledge behind the billboard."
Hypothesis: "People are nearby."
Do we know that the hypothesis entailed by the premise?