Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Firemen might get off a firetruck even if they have not responded to a garage fire.
 The question and answer:
Given the sentence "Two firemen in full gear are getting off a firetruck across the street from a parking garage." can we conclude that "A firetruck has responded to a garage fire."?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell