Context: We went to a place in Black Rock we get to visit now that we live near it again . Part of its appeal to us is the owners ' golden retriever who not only shares the name of the bar , but also gets to wander around freely . Normally Baxter does n't spoend more than five seconds with any patron , but somehow he must have sensed that karenfodder was n't having the best day , because he stood next to her and let her pet him for a full ten minutes .
Question: What may be the reason the dog gets to wander freely ?
Option 0: It has been well trained as an expert in freedom .
Option 1: It knows how to make a mess where it goes .
Option 2: It has been well trained by a dog expert .
Option 3: None of the above choices .
Answer: 2