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.

[EX Q]: Dogs are pack animals, and ____ dogs is the minimum number for proper socialization.
[EX A]: five

[EX Q]: Nymphs go through ____ instars and a pupa stage before reaching adulthood.
[EX A]: three

[EX Q]: Endometriosis is a puzzling disease affecting an estimated ____ million women in the United States.
[EX A]:
five