[Q1: 5pts] Suppose relation R(A,B, C) has the following tuples:

ABC

33 2

6 4 3

24 1

35 1

7 1 2

and relation S(B,C,D) has the following tuples:

BCD

5 1 6

15 8

4 3 9

Compute the natural join of R and S. Show the schema of the result relation.