instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Females reach sexual maturity around four to _ year-olds.
answer:
five

question:
Many prosimians have at least _ nipples and produce litters rather than a single offspring.
answer:
four

question:
Summers are hot and dry, winters intensely cold, with snow sometimes lying up to _ months.
answer:
three