please answer the question within 30 minutes. make sure the answer and reasons are explained in very detailed manner with reasons. answer should not be copied from somewhere else i will give negative ratings for sure.

Jimmy has built a conceptual data model with a M:N relationship, denoted below. STUDENT CLASS Has K Jimmy is now building the physical data model. How should Jimmy denote the M:N relationship? STUDENT ENROLL CLASS Registers Contains O STUDENT ENROLL CLASS Registers Contains H STUDENT ENROLL CLASS Registers Contains K K