For this chain-of-thought reasoning and answer, what was the question?
Just because the city streets is parked with motorcycles that does not mean they are all black.
 A: it is not possible to tell

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
Q: Premise: "A city street is lined with parked motorcycles."
Hypothesis: "The motorcycles are all black."
Do we know that the hypothesis entailed by the premise?