If a tree falls in the forest…

[Assyrianprince]

And no one is around to hear it… does it a make a sound!? 

[Danila1150]

No

[Riverhorse]

run

[SuNNy1y]

ye

[lab3l]

actually yes

[Riverhorse]

run again

[ChovTV]

run

[martinplus18]

run

[xia15]

Yes it does lol

[RandomlyWrite]

if seen, yes, sound occurs otherwise if not observed there's no proof the tree even exists. 

[arcwyre]

We're asking the wrong question. How did we find out it fell? Someone MUST have been there!

[Archit2304]

Tree falling is a bad omen.

[bitjob1]

No