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.

Urine tests are really limited in that they only look for five to ____ substances.
nine

Sexual maturity occurs at ____ to four years for females and four to five years for males.
three

Pickpockets usually work in teams of ____ or three people.

two