Why did the chicken cross the road ?

Because the rope was solid.

Because mices love cheese.

Because elephants hate mices.

And because the road was just lying there.
 

But the real question is : what does that chicken attached to a mouse ? 

My entry for the weekly challenge "Why ?"   - WIP

Thanks for reading.  Comments and points of view are appreciated. 

(Sorry for my poor english. French.)