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]: Western medicine uses ____ approaches, drugs or surgery.
[EX A]: two

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

[EX Q]: Some bird feeders have ____ perches at all, but neither do tree trunks.
[EX A]:
no