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: Team handball is played with seven players per side, six court players, and ____ goalkeeper.

Answer: one


Question: Cytochrome oxidase consists of two cytochromes and ____ copper atoms.

Answer: two


Question: Soy products contain ____ known classes of anti-cancer agents, including phytoestrogens.

Answer:
five