For the given database tables R and S. R A ai B b bz C ag C3 S E C D di dy ei ez Please match the relational expression with the following result table. A B E 01 CI C ei ai C C2 D di dy di dy bi bi bz b3 e2 3 C3 C ei 03 C3 C2 e2 a. Cartesian Product of table R and S, Rx S b. Table R Theta Join with Table S, R RCSCS C. Table R Natural Join with Table S, RS d. Table R Semi Join with Table S, R & S