Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep hamsters happy [title] Have play sessions with it. [step] You should spend time with it on a daily basis, which prevents your hamster from becoming bored and allows it to bond with you. Swapping the toys in its cage is a good way to freshen up its routine and allow it to participate in different activities.

Ending1: You could also place it in its wheel and help push it, encouraging it to exercise. To give it some time out of the cage, gently pick it up and allow it to climb over you, but make sure you are in an enclosed area that prevents it from escaping. Ending2: [substeps] Separate your hamster's cage areas so that your hamster doesn't become accustomed to your frequent play sessions. Throw a throw rug or mat in the cage and let your hamster get used to it. Ending3: [title] Only play with it for a limited amount of time. [step] If you let the hamster play long hours, it will get bored and lose interest in playing with you. Ending4: [substeps] Try snacking on blocks, climbing on its feet, or playing fetch. The small rodent's ears are the size of a teaspoon.

Answer format: ending1/ending2/ending3/ending4