Which of the Following Is an Example of a Relationship

Which of the following is an example of a relationship conflict?

A) Since he moved back home, Allan doesn't think he should have to go by his parents rules although his parents think, "It's our house so it's our rules."
B) Barrett is angry because he thought he should have been given longer to take his exam.
C) Elizabeth and Arnold disagree over which new car to buy.
D) Stephen believes the best way to make out the work schedule is by seniority while his supervisor uses a rotating schedule.