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.

Fact: the floating arrow on a compass always points towards the north
Jenny was outside facing her house holding a compass. The needle of the compass was facing her house. Staying in one place she turned around and around, stopping several times. She noticed that whichever way she faced?

Fact: preparing for a storm requires predicting the occurrence of that storm
If a snow storm is coming you should?

Fact: eyes are used for seeing by animals by sensing light

a lack of illumination would result in which of these?