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:
Sexual maturity occurs at ____ to four years for females and four to five years for males.
answer:
three


question:
Deer show ____ symptoms of the disease.
answer:
no


question:
Heme is made of ____ pyrrole groups united to form a porphyrin ring.
answer:

four