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:
Compound objects have ____ representations themselves.
answer:
no


question:
Some tropical species have ____ or three generations per year.
answer:
two


question:
Binary compounds are composed of ____ elements only.
answer:

two