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: Babies are breast-fed until about ____ years of age.\Question: Choose the right answer from options given a) four b) nine c) eight d) two
Example Output: d

Example Input: Plants have three and ____ way branching carying sixteen buds.\Question: Choose the right answer from options given a) seven b) six c) four d) ten
Example Output: c

Example Input: Some Islamic societies permit men to have ____ wives.\Question: Choose the right answer from options given a) two b) seven c) eight d) four
Example Output:
d