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

Ex Input:
Sturgeons are shark-like in form but are unique in having _ rows of bony plates along the body.

Ex Output:
five

Ex Input:
English peas are about _ feet high and blooming.

Ex Output:
two

Ex Input:
Immature house centipedes start with _ body segments.

Ex Output:
four