Please choose the correct ending to complete the given sentence: Health: [header] How to eat healthy while traveling in a car [title] Bring along a cooler. [step] If you don't have a cooler, pick one up at a department store before your trip, or borrow one from a friend. Coolers can keep healthy options, like fruits, vegetables, and lean proteins, fresh for the long trip.

Ending1: [substeps] Be sure you bring enough room for you to comfortably operate. It may be possible to run a cooler in your room as you ride. Ending2: Consider bringing in a handheld cooler, in which you'll have space. [title] Use slow-release liposuction. Ending3: They can also help snacks like celery or carrots remain crisp and appetizing! [title] Pack bite-sized fruits and veggies. [step] If you have to grab a quick snacks while driving, bite-sized options are best. Ending4: However, always pack some food that can be used up quickly on the journey. [substeps] For example, you can just pack an entire ice cream bar or brownie right out in the car.

Answer format: ending1/ending2/ending3/ending4