Relative deprivation theory talks about a sense of discontent that arises from the perception that we are being deprived of something we would have been entitled to, especially something that we perceive as other individuals or groups with whom we have compared. This 'something' can mean the salary at the end of the month, the possession of material goods, the trips of friends, the recognition of our abilities, etc ... This feeling of deprivation is called 'relative' because it arises precisely by comparison with the situation of individuals or groups of reference.
Option B is the correct answer because it states that a crime was commited, by whom, the victim, and what was lost. On the contrary the rest of the sentences give less information.
Sandi's observation is a biased one because she already made conclusion even when her observations are carried out it's likely going to be a partial judgement.
