Discussing soldiers from the same side firing at their own men probably from crossfire
Lack, want, need, require as verbs all stress the absence of something desirable, important, or necessary. Lack means to be without or to have less than a desirable quantity of something: to lack courage, sufficient money, enough
Answer:
I would believe it to be 3 and 4.
Explanation:
I don't see why OSHA, the people dealing with work safety, would care about a conversation had along those lines....and citing a conversation as day-job experience just doesn't make sense to me.
I believe the answer is B