Which of the following sentences contains an oxymoron?

He gave me the run-around before finally confessing the entire truth.
The snake that slithered into the Smith's house was an uninvited guest.
He gorged on the delicious pizza until his belly was as tight as a drum.
The rain poured down in buckets and drenched everyone at the picnic.

Question

Which of the following sentences contains an oxymoron?

    He gave me the run-around before finally confessing the entire truth.
    The snake that slithered into the Smith's house was an uninvited guest.
    He gorged on the delicious pizza until his belly was as tight as a drum.
    The rain poured down in buckets and drenched everyone at the picnic.

anonymous · Answer

so first, what is an oxymoron?

anonymous · Answer

an oxymoron is something that seems contradictory, but really is not. like jumbo shrimp