Question

I really need help with this English question and no one seems to want to help in that section. Please help.

Which of the following would make a good "hook" in an essay about memory in elephants?

Elephants are vegetarians who reach up into trees with their trunks to find food.

Few people realize that elephants are among the world's most intelligent species.

My other essays have been about marine mammals, but this one focuses on elephants.

The Sumatran elephant is smaller than the Indian elephant.