The correct answer is 3) Stay inside the vehicle to keep warm.
Explanation.
One of the main risks of winter storms is hypothermia; this condition implies the body temperature is lower than normal and due to the body's inability to regulate the temperature or produce heat people can die. This condition is the result of low environmental temperature and contact with snow, cold water, cold air, etc. during storms.
In this context, it is essential Paula and Emika can be warm during the winter storm until they can be rescued. This is better achieved if they stay inside the vehicle because the vehicle will protect them from cold temperature, air, water, snow, etc. and this makes it more likely for them to have a normal temperature during the storm and survive.
