Please answer the following question by reasoning step-by-step. Test for natural language inference.
Premise: "A young lady reclines against a young man as the two lay atop a system of square rock slabs."
Hypothesis: "A young lady reclines against her boyfriend."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell. Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
A young lady and young man laying atop rock slabs doesn't indicate that he is her boyfriend. So the answer is it is not possible to tell.