On the War Front, soldiers needed to use water in order to cool down the machine guns. In the absence of water, they used:
A)sand
B)snow
C)fans
D)urine

Do you have more info about it ? i doubt this is the answer because i don't have all the information but if trouble was brewing in a clinic maybe it was an argument as to which clinic was better or smth of that nature

Adave chapelle show