Directions: The sentence has four underlined words or phrases. The four underlined parts of the sentence are marked (1), (2), (3) and (4). Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

(1) Two hundred year later, Emperor Ashoka, (2) who embraced Buddhism, (3) sent emissaries to central and west Asia (4) to spread its message.