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

Ex Input:
Dwarf trees are diminutive and shrub-like, reaching _ feet or so at maturity.

Ex Output:
four


Ex Input:
Ferrets bite in _ manners.

Ex Output:
two


Ex Input:
Phylogenetic analyses confirm _ mitochondrial mallard clades.

Ex Output:

two