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').

Example Input: Sculpture involves the ____ different processes of carving and modeling.\Question: Choose the right answer from options given a) five b) three c) two d) ten
Example Output: c

Example Input: Righteousness always points in ____ directions.\Question: Choose the right answer from options given a) six b) two c) one d) four
Example Output: b

Example Input: Growth rate is measured as growth occurring in the first ____ summers of life.\Question: Choose the right answer from options given a) ten b) five c) four d) seven
Example Output:
b