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: Bulbs bloom four to ____ weeks after planting.\Question: Choose the right answer from options given a) seven b) one c) six d) nine
Example Output: c

Example Input: Government is divided into ____ basic functions.\Question: Choose the right answer from options given a) three b) no c) two d) four
Example Output: c

Example Input: Polyploidy is the presence of ____ or more of each type of chromosome in gametes or cells.\Question: Choose the right answer from options given a) four b) six c) seven d) three
Example Output:
d