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.

[EX Q]: Counterpoint is simply ____ or more melodies played simultaneously.
[EX A]: two

[EX Q]: Some animals have only ____ or three chambers .
[EX A]: two

[EX Q]: Orchids fall into ____ categories, species and hybrids.
[EX A]:
two