1) Winter is the coldest season of the year.
2) Winter is colder than autumn.
3) Summer is warmer than spring.
4) Summer is the warmest season of the year.
5) Kate is the best pupil in our class.
6) Ann is lazier than Kate.
7) Ann is the laziest girl in the class.
8) Bears are bigger than wolves.
9) Bears are the biggest animals in this forest.
10) Ann is the happiest girl in her class.