Imagine a question and stream-of-consciousness explanation for which this is the answer: it is not possible to tell
Question: Can we conclude from "Workers wearing reflective vests working near a train car." that "Workers wear reflective vests near trains as part of a training exercise."?
Options:
- yes
- no
- it is not possible to tell
Stream-of-consciousness: Not all workers wearing reflective vests near train cars are part of training exercises.