Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to identify a queen ant [title] Look at the size of the ant. [step] For many types of ants, queens are much larger than regular worker ants. If you stumble upon an ant that appears unusually large, there's a good chance this is the queen.

Ending1: Queen ants are nocturnal, and may attack any worker ants in their webs. [substeps] Queen ants have very small (0.8 in) egg sacs at the bottom of each ant's abdomen. Ending2: You'll need to take a closer look at the ant to get to the perfect size for the queen ant. [substeps] The queen ant has smaller arms and legs than regular worker ants, and even smaller feet to walk towards and across the grounds. Ending3: Just to be certain, look for a queen ant with a large head. [substeps] Take in as much detail as possible about the ant's head. Ending4: [substeps] The ant will be noticeably bigger than the surrounding ants, or other ants you have seen. Think about the type of ants you have as well.

Answer format: ending1/ending2/ending3/ending4