Paradox; a statement or proposition that, despite sound reasoning from acceptable premises, leads to a conclusion that seems senseless, logically unacceptable, or self-contradictory.
Oxymoron; a figure of speech in which contradictory terms appear in conjunction.
Hope this helps :D
Answer:
Anything that you feel will capture an audience's interest and make them interested in the speech's topic.
Explanation:
Ex.
a quote
a story
a joke
an anecdote
What are the options?
Is there any under the question?