Fact 1: If a tree falls then sunlight becomes available to the surrounding plants.

Fact 2: Oak trees are found throughout.

Given the two facts above, answer the question "what falls making sunlight available to surrounding plants?" with the following options: 
- LEDs
 - grass
 - elms
 - oak
 - pine
 - clouds
 - palm
 - acorns


 

    oak     