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:
Cattle are the second most important commodity in ____ states and third in six states.\Question: Choose the right answer from options given a) nine b) five c) no d) eight

Ex Output:
a


Ex Input:
Decompression illness is a continuum from ____ symptoms or signs to severe multisystem involvement.\Question: Choose the right answer from options given a) nine b) three c) no d) one

Ex Output:
c


Ex Input:
Racists attempt to draw lines where ____ lines exist.\Question: Choose the right answer from options given a) six b) seven c) no d) zero

Ex Output:

c