Good R and Good S Are Substitutes in Production

Good R and good S are substitutes in production. If the price of good S increases, then the:

A) supply of good R decreases, and the quantity supplied of good S increases.
B) supply of good R increases, and the supply of good S decreases.
C) quantity supplied of good R increases, and the supply of good S decreases.
D) quantity supplied of both goods decreases.