The dog's owners decided that after 5 years of living together, they no longer needed her. They didn't inform the neighbors of their decision and simply tied her to a post so she wouldn't get lost. That's how the volunteers found her.
Tasya hasn't become bitter or disillusioned with humans. She will adore and worship her new owner. She's trained to walk on a leash, knows commands and is just a reliable friend. She just doesn't get along well with other dogs.