Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to take care of a freshwater snail [title] Look for a healthy snail. [step] Signs that your snail is healthy include a clean appearance and healthy coloring. Healthy coloring varies from species to species.

Ending1: The snail's shell should be free of cracks. Most importantly, the snail should be active and moving about. Ending2: Seek help by consulting a national pet food service or if you live in a remote area. [title] Provide a wide variety of foods for snail owners. Ending3: Check for signs of dormancy in females. Observe if they have an inflexible shell. Ending4: If you see some of the following signs, it may be healthy to use a freshwater snail : [substeps] White coloring whipworms runny droppings even if the snail exhibits a disease [title] Keep the tank warm and dark. [step] Freshwater snails are notoriously cold-blooded.

Answer format: ending1/ending2/ending3/ending4