Premise: "A child swims with a woman."
Hypothesis: "A child does the backstroke."
Do we know that the hypothesis entailed by the premise?
Let's solve step-by-step:

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
Because someone is swimming doesn't mean they are doing the backstroke. The answer is it is not possible to tell.