Seven students A , B , C , D , E , F and G are living in a single room . They sleep on the following conditions . I)A sleeps when D and F sleep .
II) E sleeps only when B sleeps .
III) E sleeps when C and G both sleep .
IV) C and G sleep when D sleeps .
V) D sleeps when F sleeps .
Which one should sleep first so that all the students could sleep .​

Explanation:

B should sleep first so that

it can be both; depending on the situation at hand.

explanation:

let's just say i get in to a confrontation with someone, and they say "ur mom", it could be seen as an insult. or depending on the relationship or comfortability with the person it may be seen as a joke. the distinct line is how the chemistry behind the confrontation.