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.

Perennials are plants that live more than ____ growing seasons.
two

Most psychologists agree that the big ____ personality traits are stable across the life-span.
five

Opposite rays are ____ collinear rays with the same endpoint.

two