To expose unfair judging practices at a contest
I'm so sorry if this isin't the answer, please don't attack me!
Answer:
This sentence contains both an interjection (Wow) and a conjunction (that's). No preposition, however (ex. over, against, about, with).
(Also, there should be a comma after wow lol)
The answer would most likely be C, because all the other options have to do with a job or manufacturer.
Nothing differs because the passages are not disclosed
