Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to feed orphaned newborn puppies [title] Buy necessary supplies. [step] To feed a newborn puppy you will need a bottle made specially for feeding newborn puppies and milk replacement formula. The bottle and formula can both be purchased at most large pet supply stores or online.

Ending1: [substeps] Provide the puppy with a well balanced diet of fresh, healthy sources of nutrition. Pick fresh puppy food or provide food that is high in fiber that your vet has used previously. Ending2: [substeps] If you purchase a bottle and formula, make sure it is labeled " for mothers only. " you can find this information on the bottle. Ending3: [substeps] You will also need to be able to sterilize the bottle. This means that you will need access to a pan and a stove to heat water on. Ending4: [substeps] If you plan to feed the puppies manually, then make sure the bottle is full and that the formula you use is available. [title] Cut a small hole in the bottle cap where the syringe will go in.

Answer format: ending1/ending2/ending3/ending4