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').

Hummingbirds feed every ____ to fifteen minutes from sun-up to sundown.\Question: Choose the right answer from options given a) nine b) seven c) four d) ten
d

Dispassion is a ____ edged sword.\Question: Choose the right answer from options given a) six b) two c) zero d) four
b

Benedictine monks make ____ vows as a sign of their commitment to the monastic way of life.\Question: Choose the right answer from options given a) three b) six c) four d) no

a