Come up with a question and reasoning that would justify this answer: it is not possible to tell
The question is: Can we conclude from "Firemen are discharging a water cannon." that "Firemen use a water cannon to put out a fire."?
Options:
- yes
- no
- it is not possible to tell
Step-by-step reasoning process: The fact that firemen are discharging a water cannon doesn't imply that they are doing it to put out a fire.