Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to spoil your gerbils [title] Come up with a gourmet diet. [step] Pet stores will often sell things that are labeled as " premium gerbil food, " but look at the ingredients. You don't want berries or too many sunflower seeds in it (some are good, but too many will make them overweight).

Ending1: A lizard loves beehives and an indoor gerbil is actually quite happy chewing through popcorn. [substeps] Mint is also the best kind of flavor to enjoy. Ending2: Additionally, buying a gourmet marinade will not be a no choice for your gerbils. They will need to be fed each day. Ending3: You can also go for things like beets, carrots, broccoli, pinwheels, etc. That are also specially formulated to keep small macaws fresh, so they don't make much of a fuss when they go. Ending4: [title] Set up an exercise area for your gerbils. [step] Do not buy your gerbils wheels that have normal serrated edges.

Answer format: ending1/ending2/ending3/ending4