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: Ligand seeks ____ receptors into binding and mutual phosporylation.

Answer: two


Question: Photons have momentum but ____ mass or electrical charge.

Answer: no


Question: Moderation is defined by at least ____ beer company as drinking up to four drinks a day.

Answer:
one