In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Acrobats mount a single bicycle until _ people in all are stacked on top of it.

Answer: ten

Question: Cockatiels average _ to five eggs per nest, with an egg typically laid every other day.

Answer: four

Question: Lightning can strike as far as five to _ miles away from the edge of a thunderstorm.

Answer:
ten