Premise: "A water polo event takes place with a yellow ball in a swimming pool."
Hypothesis: "Water polo happens in a field of grass."
Do we know that the hypothesis entailed by the premise? Let's be accurate as possible and think 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
The one event is in a swimming pool where water polo is supposed to take place while the other is in grass which makes no sense. Final answer: no.