"Quattro camicie azzurre"

Translation: Four blue shirts

[MABBY]

FINALLY! A basic number sentence.

The first 3 or 4 lessons in this section have more sentences unrelated to any numbers at all than there are sentences with numbers in them.

[DiegoJaviUnlam]

A sentence? And where is the predicate? ;)

https://en.wikipedia.org/wiki/Sentence_(linguistics)

[philoponos]

four blue jumpers?