The student is younger than the teacher.

The Everest is higher than the Aconcagua

January is colder than march

February is shorter than January

Mary is more bautiful than Jane

Brazil is larger than Colombia

The city is dirtier than the country

A pig is fatter than a cat

Dogs are friendlier than cats

Venus is nearer than Mars

Horses are more intelligent than donkeys

My mother is not younger than my sister

His shoes are longer than my shoes

The library is quieter than the classroom

A snake is more dangerous than a butterfly

Tim is more attractive than Jack

A whale is heavier than an elephant

A class is more boring than a movie

The university is more interesting than the Sena