Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to socialize pet rats [title] Minimize her stress. [step] Rats can be stressed by new environments. Minimizing her stress the first few days you have her can make it easier to socialize her.

Ending1: [substeps] Find a spare space where she can roam on her own. This could include her off-leash, her cage, or a park bench. Ending2: Give her some space at first, though, as her environment will vary from place to place. [substeps] Keep your dog loose in the room she frequents so she won't have anxiety when she must be around new people. Ending3: The first few days you have your rat train is important since she can handle new environments. Expose her to sights, smells, and sounds, such as books and radios. Ending4: The following can help your rat get used to her environment : [substeps] Preparing her nesting box before she arrives using the type of food and bedding she's used to before slowly introducing new products allowing her to settle by not handling her. [title] Start socializing as soon as possible.

Answer format: ending1/ending2/ending3/ending4