Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to buy an oven [title] Determine your existing fuel type. [step] Your oven choice will largely be determined by the type of fuel line that you have in your house (unless you want to change your connection type). Gas ovens will have a gas line connected to your existing stove.

Ending1: If you want to change gas level, take your existing fuel line from your existing stove and decide which is appropriate. [title] Determine your stove's user interest rate. Ending2: Choose the gas that matches what it needs to perform its functions. Once you have chosen your fuel, you will set the grill to cook on your gas line. Ending3: Cooking with a fuel line connected to the stove--that is, your current gas source--is where you should fill your tank. Try adding gas to your existing gas whenever you start making new recipes or setting up specialized recipes, as this will allow you to build your new fuel. Ending4: An electric oven will be connected to an electrical plug point. [substeps] Gas-powered ovens use either natural gas or propane depending on your town.

Answer format: ending1/ending2/ending3/ending4