Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to collect trash in your car [title] Keep an empty tissue box filled with trash bags in your car. [step] Keeping trash bags in your car will help you collect trash as necessary instead of just tossing it onto the floor. Among the most inexpensive options is to use an empty tissue box.

Ending1: [substeps] If your car has an air conditioner, open the car door and let dry air into the box for a minimum of three minutes before closing the door. A bucket or clean container will work as well. Ending2: This is a good option when you have a large amount of trash in your car that isn't readily available for others to pick up or use. [substeps] Place the empty tissue box in the trashcan and throw it out. Ending3: Fill it with plastic bags saved from trips to the grocery or convenience store, and grab a bag whenever you need one. [title] Use a cereal container to collect trash. Ending4: As long as the box is empty, emptying can help you collect their waste. Empty tissues will come in a variety of sizes, so do your best to get as many as possible.

Answer format: ending1/ending2/ending3/ending4