instruction:
Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
question:
Water is the only substance on earth found naturally in ____ forms - solid, liquid, and gas.
answer:
three


question:
Autism affects ____ times as many males as it does females.
answer:
three


question:
Tunicates have an average life span of one to ____ years.
answer:

three