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:
Gorillas are sexually mature at ____ to nine years of age.
answer:
six


question:
Merlin is about five and ____ half inches long.
answer:
one


question:
Rotary engines produce ____ power pulses per crankshaft revolution.
answer:

three