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.
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Question: Some niqabs have ____ or two holes for the eyes.

Answer: one


Question: Gibberellins are diterpenoids derived from four isoprenoid units forming a system of ____ rings.

Answer: four


Question: Compound semiconductors are made of ____ or more elements.

Answer:
two