Task: Question Answering
Input (English): The chemical equation below shows a reaction of copper (Cu) with silver nitrate (AgNO_{3}) yielding silver (Ag) and copper(II) nitrate (Cu(NO_{3})_{2}) Cu + 2AgNO_{3} -> 2Ag + Cu(NO_{3})_{2} Silver and copper(II) nitrate are called the  
 (A) reactants. (B) products. (C) catalysts. (D) inhibitors.
Output (English): B