You will be given a definition of a task first, then some input of the task.
Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Counterpoint is simply ____ or more melodies played simultaneously.\Question: Choose the right answer from options given a) no b) four c) three d) two
Output:
d