instruction:
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:
Most aphthous ulcers heal in one to ____ weeks.\Question: Choose the right answer from options given a) two b) eight c) one d) seven
answer:
a


question:
Most marine sediments are of ____ basic types.\Question: Choose the right answer from options given a) three b) ten c) two d) nine
answer:
c


question:
Young pandas mature very slowly and are almost ____ months old before they are weened.\Question: Choose the right answer from options given a) nine b) one c) two d) six
answer:

d