vocabulary #2
service animal: an animal that has been specially trained to help someone, for example a guide dog a dog trained to help a blind person move around safely
(noun) A service animal helps people
sheepdog: a dog trained to help people control sheep and move them in the direction wanted
(noun) The sheep dogs help farmers to look for the sheeps
therapy animal: an animal trained to play a role in a physical or emotional therapeutic treatment plan
(noun) The dolphins and dogs are therapy animals