Given the following reasoning and answer, what was the question? A thin layer of water is not necessarily left by a recent rainstorm. A thin layer of water does not have to be a puddle.
 The answer: it is not possible to tell
The question Premise: "Trees are reflected by a thin layer of water on the cement."
Hypothesis: "A recent rainstorm left water puddles that show the tree's reflection."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no