Given the sentence "An older woman with brown hair is walking her bike through a gate of a garden." is it true that "The woman is not on her bike."? Now, let's be accurate as possible. Some thinking 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
If the women is walking her bike then she is not riding it. This means an older woman with brown hair is walking her bike through a gate of a garden implies the woman is not on her bike. So, the answer is yes.