1. Wrong: When I want to buy apples to make pie, which I really like, for dessert, I go to one of the stores that's near my house not the ones that are farther away.
Better: I buy the apples for the pies I like at the store near my house.
Explanation: The original sentence travels in circles.
2. Wrong: Some teachers but not most of the students think that all holidays when they get called should be announced in advance.
Better: Some teachers and a minority of students wish all holidays were announced.
Explanation: Tighter wording makes the meaning clearer.
3. Wrong: I wanted to have a Greek salad with my dinner, which Taavi thought was strange since I was eating sushi.
Better: Despite Taavi's objection, I wanted a Greek salad with my sushi dinner.
Explanation: The original sentence gets a little muddled in its meaning.