Given the sentence "A boy in green and yellow dress is learning boxing." is it true that "A boy in a bathing suit is swimming in a river."?
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
A boy is not swimming and learning boxing at the same time. The answer is no.