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:
Males mature sexually as soon as ____ years of age.
answer:
two


question:
Anapsids have ____ openings in the temporal region of their skull.
answer:
no


question:
Sound travels almost ____ times faster in water than in air.
answer:

five