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:
Hawks have ____ toes pointing forward and one pointing backwards.
answer:
three


question:
Atoms are extremely small, on the order of a few ____ billionths of a meter.
answer:
ten


question:
Protists are mostly microscopic and have ____ organs or tissues.
answer:

no