Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to care for a fancy rat [title] Getting a cage for your rat : [step] Getting a cage is the first essential part in keeping a pet rat. Get a cage that is big enough for your rat to walk around a lot, generally its recommended to have at least 2 square ft per rat , 2.5 square ft or more is even better. Wire floors in a cage could be hazardous.

Ending1: Use a plastic floor much thicker than wire because soft padding may fall in and/or damage your rat's feet. Get boards that separate from the bottom of the cage. Ending2: Make sure to thoroughly monitor the rat before bringing it home so that all its safety is preserved. [substeps] Don't have a wire floor. Ending3: Rats can climb on walls or dig into a net. Rats also could fall over! ! ! ! [title] Proper air ventilation : [step] Air filters are to be avoided if they get dirty. Ending4: Your rat can get his/her feet caught in a wire floor. Your cage is not your rats only home.

Answer format: ending1/ending2/ending3/ending4