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:
Sponges have ____ main tissue layers.
answer:
three


question:
Gloves have ____ ridges or crevices in which the bacteria can hide.
answer:
no


question:
Female smokers enter menopause an average of ____ years earlier than nonsmokers.
answer:

five