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:
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:
Fawns weigh about ____ to nine pounds at birth.\Question: Choose the right answer from options given a) five b) ten c) nine d) six

Ex Output:
d


Ex Input:
Cleavage is sometimes distinct in ____ directions forming rhombohedrons.\Question: Choose the right answer from options given a) two b) three c) seven d) five

Ex Output:

b