instruction:
Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
question:
Most organ systems are operational in the fetus by ____ to six months.
answer:
four


question:
Heart attacks occur most often around ____ in the morning.
answer:
five


question:
Defamation takes ____ forms, libel and slander.
answer:

two