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

Ex Input:
Poverty kills a child every _ seconds.

Ex Output:
three


Ex Input:
Females inherit _ X chromosomes, one from each parent.

Ex Output:
two


Ex Input:
Chimeras are three headed creatures that shoot fire from all _ heads, damaging a wide area.

Ex Output:

three