system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Do dogs "miss" their mothers and siblings when they separated from them by humans? Do they still recognize them if they come back into contact with them later? Can they detect they are related through their scent?
gpt
We adopted our dog from a shelter after she was shipped up from puerto rico.  She had a sister.  We found out the person who adopted her sister lived nearby and set up a puppy play date at the dog park 3 or 4 months later. And.... They were totally disinterested in each other.