In a coded relation, if M + N means M is the uncle of N, M - N means M is the aunt of N, and M × N means M is the cousin of N, what is the relationship of O if M + N × O?
In a group of five friends, A, B, C, D, and E, each has a different favorite color: Red, Blue, Green, Yellow, and Black. A does not like Blue or Green. B likes Red. C does not like Yellow. D likes Black. What is E's favorite color?