What is the relevant information for determining a prognosis: A 2-year-old ridgeback who attended a good puppy class (but by the sounds of it was asocial) has been increasingly charging strangers at the dog park and spooky barking at them, especially if they are wearing hats or sunglasses.
A) Puppy class attendance
B) Dog park behavior
C) Breed and age of the dog
D) Stranger appearance
