Fact 1: The color of leaves on deciduous trees usually changes in the autumn season.

Fact 2: Leaves change color, snow falls, and spring brings back the greenery.

Given the two facts above, answer the question "what season happens before snow falls, and spring brings back the greenery" with the following options: 
- autumn
 - rainfall
 - Winter
 - H20
 - spring
 - rain
 - middle
 - summer


 

 autumn        