Can we conclude from "A fireman using a firehose on a car engine that is up on a carjack." that "There is a man using a fire hose."?\nOptions:\n- yes\n- no\n- it is not possible to tell
A step-by-step solution is:
yes
The fireman is using a firehose so in other words he is a man using a fire hose.

.

The answer is yes