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

Ex Input:
Sprouts can grow as much as _ feet per year.

Ex Output:
six

Ex Input:
Plazas have _ accumulations of rubbish but are covered with even layers of mud bricks and plaster.

Ex Output:
no

Ex Input:
Cnidarians are radially symmetrical invertebrates with _ tissue layers.

Ex Output:
two