Test for natural language inference.
Premise: "A person in a yellow and black costume with a white mask is on a platform."
Hypothesis: "Contorting themselves."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell 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
A person in costume is standing perfectly rigid like a stick in the mud. Final answer: no.