Multi-choice problem: Continue writing the next sentence in this paragraph:

How to foster senior dogs
Reflect on your living situation and availability.
If you have experience with a particular breed of dog, it is probably best to apply to foster a senior dog of that breed. Your knowledge of food and care for that breed will be invaluable as a foster parent and the rescue organization will be pleased to find you.

Select from:
[1]. Socialization, training, everyday living arrangements and health care are key factors in determining where and how to foster a senior dog. Plant a clipen in the area where the dog lives..
[2]. If you feel a connection to a particular senior dog who needs a foster parent, you may want to honor this feeling. Figure out what kind of senior dog you want to foster..
[3]. If you have your own dog, you might consider adopting one. Many rescue organizations, together with local adopters, offer a specialized screening program for prospective foster dogs..
[4]. If you do not wish to foster your own senior dog, you can apply the following tips to your situation : Research and evaluate the a canine profile to find traits that would interest your senior dog. Ask siblings or other members of the family about the breed..
[2].