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').

Ex Input:
Conflict occurs between when ____ people have a car accident.\Question: Choose the right answer from options given a) no b) eight c) two d) nine

Ex Output:
c


Ex Input:
Shamrocks can be ____ of four leafs.\Question: Choose the right answer from options given a) six b) seven c) zero d) three

Ex Output:
d


Ex Input:
Cats show ____ symptoms of the disease.\Question: Choose the right answer from options given a) no b) eight c) five d) one

Ex Output:

a