Dean, Sam, and Cas Are All Best Friends and Decided

Dean, Sam, and Cas are all best friends and decided to dress up as famous psychologists for Halloween. Dean dressed up as Sigmund Freud, Sam dressed as Carl Rogers, and Cas dressed as B.F. Skinner. They decided to not only dress up as those famous psychologists but also adapt their beliefs about psychology for the night.
-During the party,Adam walks over to where Sam,Dean,and Cas are talking.He notices that Sam has finished his drink and asks,"Can I kill your cup I mean,fill your cup!" Which of the three friends is most likely to come up to the conclusion that Adam secretly hates Sam

A) Sam, who is dressed up as Carl Rogers.
B) Cas, who is dressed up as B.F. Skinner.
C) Dean, who is dressed up as Sigmund Freud.
D) All three of them are equally likely to reach this conclusion.