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:
Electrons have almost ____ mass and are negatively charged.\Question: Choose the right answer from options given a) three b) seven c) zero d) no
answer:
d


question:
Anthrax usually is a fatal disease with ____ symptoms observed.\Question: Choose the right answer from options given a) no b) seven c) one d) six
answer:
a


question:
Essential tremor affects anywhere from ____ to five million people in the United States.\Question: Choose the right answer from options given a) one b) seven c) three d) nine
answer:

a