The cat is bigger than the mouse. / The mouse is smaller than the cat.
The princess is more beautiful than the witch. / The witch is uglier than the princess.
The lion is more dangerous than the cat.
The summer is hotter than the winter. / The winter is colder than the winter.
The boy is taller than the girl. / The girl is shorter than the boy.
The red phone is more modern than the green one.
The boy looks happier than the girl.