instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Interstate commerce is commerce conducted in at least _ states.
answer:
two


question:
Diarrhea is an illness that kills _ and one-half million children per year.
answer:
three


question:
Dogs have four molars in the upper jaw and _ in the lower.
answer:

six