It is ok if your goal is not clear because you will be able to define it along the way

Name that largest artificial lake built in the 11th century

This description of the "firm league of friendship" of states is a quotation from the

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?