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').

Input: Consider Input: Some people have ____ symptoms until the liver has been quite severely damaged.\Question: Choose the right answer from options given a) eight b) no c) nine d) ten

Output: b


Input: Consider Input: Fruit trees are usually safe after ____ years.\Question: Choose the right answer from options given a) five b) four c) no d) three

Output: d


Input: Consider Input: Object permanence is seen in children ____ to twelve months old .\Question: Choose the right answer from options given a) ten b) two c) seven d) eight


Output: d