Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: An arm wrapped in an ace bandage does not necessarily mean it was injured in a fall.
 The question and answer:
Can we conclude from "A boy with his arm wrapped in an ace bandage rests in a bed." that "A boy has been injured in a fall."?
Options:
- yes
- no
- it is not possible to tell
The answer is it is not possible to tell