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:
Manatees swim two to ____ miles per hour.\Question: Choose the right answer from options given a) no b) six c) five d) zero

Ex Output:
b


Ex Input:
Women account for more than ____ out of five deaths from stroke.\Question: Choose the right answer from options given a) three b) six c) eight d) nine

Ex Output:
a


Ex Input:
Scapulohumeral rhythm serves at least ____ purposes.\Question: Choose the right answer from options given a) seven b) two c) four d) nine

Ex Output:

b