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: Malignant tumors are more dangerous, and survival times can range from ____ months to several years.\Question: Choose the right answer from options given a) one b) no c) ten d) six

Output: d


Input: Consider Input: Sexual maturity occurs at three to four years for females and ____ to five years for males.\Question: Choose the right answer from options given a) nine b) seven c) five d) four

Output: d


Input: Consider Input: Genes contain ____ distinct kinds of information, structural and regulatory.\Question: Choose the right answer from options given a) seven b) no c) two d) six


Output: c