Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
One example: Fact: deep sea animals live deep in the ocean
Solution is here: Frilled sharks and angler fish live far beneath the surface of the ocean, which is why they are known as?
Explanation: The output question is related to the fact in that frilled sharks and angler fish are deap sea animals. The question is related to the fact so this is a good question.

Now, solve this: Fact: octopuses releasing ink into the water causes predators to have difficulty seeing the octopus
Solution:
A shark is hunting prey, and the prey is an underwater creature with eight arms. The prey escapes by?