How, if at all, is the relative humidity of an unsaturated air mass influenced by temperature changes?

Question

Question ATPL - Airline Transport Pilot license - Meteorology

QuizVDS · Accepted Answer

It decreases with increasing temperature.

QuizVDS · Answer

It is only influenced by the amount of water vapor.

QuizVDS · Answer

It is not influenced by temperature changes.

QuizVDS · Answer

It increases with increasing temperature.

Id 259 - ATPL - How, if at all, is the relative humidity of an unsaturated air mass influenced by temperature changes?