Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to socialize orphaned newborn puppies [title] Limit handling during the neonatal period. [step] The neonatal period extends from birth through two weeks. During this period, the pups' eyes and ears will not be open, and they'll be limited to the sense of taste, smell, and touch.

Ending1: [title] Respect the gender boundaries of the puppies. [step] After three weeks of having a puppy and feeding her, she will begin to learn to watch for eye contact, stimulation, and play. Ending2: Therefore, it is best to keep the puppies calm during a neonatal period while it is still trying to expel itself from its mother. [substeps] For the first two weeks of the pregnancy, direct your puppies off to a place that allows them to rest and observe. Ending3: There's no constant contact to prevent the developing ear cells in the third month, or to encourage behavior. Throughout this period, the puppies will gently move their heads toward their owners through a " puppy mouth ", and gradually shift their head toward their owners. Ending4: The mother dog (dam) would normally watch them closely at this time, so the responsibility is now yours. [substeps] Touch the pups when necessary-primarily to feed them-and allow your scent to imprint on the pups.

Answer format: ending1/ending2/ending3/ending4