Please choose the correct answer to the question: Which of the following is an example of an escape strategy that is used to avoid being killed and eaten by predators?

Answer1: Deer shed their antlers in the fall. Answer2: Newts drop their tails when threatened. Answer3: Anglerfish produce light to attract other fish. Answer4: Otters produce oil to coat their fur and make it waterproof.

Answer format: answer1/answer2/answer3/answer4