People Are Sometimes Seen to Give Up Money to Move

People are sometimes seen to give up money to move to a fairer allocation.What experiment could be used to determine if this is because people truly care about fairness or because people want to avoid the consequences of others' spite?

A) The Ultimatum Game could be run to see if an even split is proposed.
B) The Dictator Game could be run to see if an even split is proposed.
C) The Battle of the Sexes could be run to see if players choose the rival's preferred outcome.
D) The repeated Prisoners Dilemma could be run to see if players can tacitly collude on Silent.