Having not learned her lesson after losing against Pinkie Pie,Rainbow now wants to see if there's anypony else who's stronger than her so she challenges Fluttershy,who isn't known to be very violent or dangerous to a fight and she attempts to spar with her,Rainbow's about to learn just how much of a bad idea that was...
(Inspired by "One Boop Mare")
I would have preferred Twilight sparring with Cadance, Applejack or Rarity.