Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to determine if you need a personal trainer [title] Hire a trainer to meet specific fitness goals. [step] One of the best reasons to hire a personal trainer is if you need help meeting a very specific fitness goal. They'll be able to guide and train you so you'll be successful.

Ending1: There are several benefits to hiring a trainer : [substeps] Personal trainers are not only on-site but in-person. Often, personal trainers feel more comfortable handling problems like how to balance their clients and weight. Ending2: You can evaluate any potential trainer's references and make sure the trainer they recommend matches your goals. However, if you're not interested in a trainer because you aren't certain they don't fit your own fitness goals, find a trainer who is highly trained and knows in your area of fitness. Ending3: If you only need help with working on your problem areas, you'll have more support when your trainer comes in. [substeps] It's easy to get into a routine that just focuses on making a specific goal, but it can eventually feel like a recipe for disaster in that one area. Ending4: [substeps] Before meeting with possible trainers, make sure that your goal is well thought out and clear. This will help possible trainers know whether or not they'll be able to help you.

Answer format: ending1/ending2/ending3/ending4