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: Scorpions also have ____ legs.\Question: Choose the right answer from options given a) eight b) zero c) nine d) ten
Example Output: a

Example Input: Popular racism seems most prevalent in Italy which saw ____ deaths at the hands of racists.\Question: Choose the right answer from options given a) five b) two c) one d) four
Example Output: d

Example Input: Most psychologists agree that the big ____ personality traits are stable across the life-span.\Question: Choose the right answer from options given a) five b) seven c) ten d) six
Example Output:
a