Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Describe the four seasons of the year.

### Response:
The four seasons of the year are spring, summer, autumn and winter. Spring is usually characterised by mild temperatures, showers and buds and leaves blooming; summer is usually warmer, with longer days and warmer nights; autumn is usually cooler, with shorter days and falling leaves; and winter is usually colder, with short days and snowfall.