Please choose the correct solution to the question: If you smell natural gas while baking in a gas oven,

Solution1: turn off oven immediately.  Do not use any small appliances.  Open a window and evacuate the house immediately. Contact emergency services using a neighbor's phone or your cell phone outside.

Solution2: turn off oven immediately.  Do not use any electrical appliances.  Open a window and evacuate the house immediately. Contact emergency services using a neighbor's phone or your cell phone outside.

Answer format: solution1/solution2