Test for natural language inference.
Premise: "A man in a blue shirt is looking at rocks and trees."
Hypothesis: "A man in a blue shirt is studying rocks and trees for his biology class."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell Now, let's be accurate as possible. Some thinking first:

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
Biology class is only one reason someone might look at rocks and trees. So, the answer is it is not possible to tell.