In a class, there are three types of students: Art students, Science students, and Commerce students. If all Art students are creative, and some Science students are not creative, which of the following statements is true?
If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C if A + C - B means A is the brother of C and C is the sister of B?