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: Most marine sediments are of ____ basic types.

Answer: two


Question: Most psychologists agree that the big ____ personality traits are stable across the life-span.

Answer: five


Question: Ozone is an invisible, irritating gas consisting of ____ oxygen atoms.

Answer:
three