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').
--------
Question: Giraffes sleep less than ____ hours a day.\Question: Choose the right answer from options given a) two b) six c) seven d) ten

Answer: a


Question: Tardigrades are microscopic, water-dwelling, segmented animals with ____ legs.\Question: Choose the right answer from options given a) eight b) nine c) one d) seven

Answer: a


Question: Women are ____ to eight times more likely than men to suffer thyroid disorders.\Question: Choose the right answer from options given a) ten b) five c) seven d) four

Answer:
b