Golden Apple or The One Where Everything is Different

Daring Do shows up at Sweet Apple Acres one morning and Rainbow Dash makes sure everything is harder than it has to be.

Applejack is hiding in a cave in the swamps of South Equestria. She would be plowing fields if Daring Do hadn't shown up at her doorstep that morning.

Applejack is taking care of a knocked out Rainbow Dash. She wouldn't have to be if the pegasus didn't function in such weird logic.