In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Cormorants are monogamous and breed in colonies of up to _ thousand pairs.
[EX A]: three

[EX Q]: Spanish mackerel are abundant and range up to _ pounds.
[EX A]: five

[EX Q]: Most jellies have _ stomachs that receive their food through a central mouth.
[EX A]:
four