Answer: ReThink
Explanation: Trisha Prabhu is a 19-year-old innovator, social entrepreneur, global advocate and inventor of ReThink™, a patented technology and an effective way to detect and stop online hate.
It was to amuse the young writers
So, the hook usually comes right at the beginning. It's the sentence that's the most provocative or surprising.
I'd say that's the first sentence in the paragraph. Doesn't it want to make you keep reading to find out more? (Assuming any interest at all in the topic, of course.)