Question. Can we conclude from "A tractor sits on the road with people with in bright vests standing by." that "People are outside by a tractor."?
Options:
- yes
- no
- it is not possible to tell
Answer. yes
What step-by-step reasoning justifies that answer?

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
Reasoning: If the people are standing by the tractor it means they are outside of it.