Kevin, another good friend of yours would like to know if he could sue his uncle who refuses to fulfill the promise he made to him. Kevin's uncle had promised him that he would get him the latest play station if he were do well in his exams. Kevin went ahead and did well in his studies. Now the uncle claims he was just joking.

Advice Kevin if he can sue the uncle for breach of contract.

(Explain more and more and give detail information )