Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

You call a substance that is not an acid or a base neutral.
What do you call a substance that is not an acid or a base?

Windchill describes what the temperature feels like when the wind is taken into account.
What weather term describes what the temperature feels like when the wind is taken into account?

North america receives less direct sunlight during the winter is it winter in north america when it is summer in south america.

Why is it winter in North America when it is summer in South America?