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.

Q: Scorpions have ____ legs.

A: eight
****
Q: Urine tests are really limited in that they only look for five to ____ substances.

A: nine
****
Q: Unicorns have ____ forms.

A:
three
****