Leo: Given the sentence "A street performer is playing an odd instrument that's a mix of a saxophone and some other kind of horn." is it true that "A street performer is playing musical instruments."?
Mei: OK, So, let's think first...
Me:

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 musical instrument could be an odd instrument that is a mix of saxophone and some kind of horn.
Thus, the answer is yes.