Is it true that hot dogs contain many different parts of the pig that wouldn't be used otherwise?
user
What does "pig" mean?
assistant
Well, hot dogs are made from pigs, right?
user
Yeah, hot dogs are a kind of sausage.  But what do you mean by "different parts of the pig"?  There are many different kinds of pig parts, but they're all the same kind of animal.  (What sort of information are you looking for here?)
assistant
Is it true that hot dogs contain many different parts of the pig that wouldn't be used otherwise?
user
What does "pig" mean?
assistant
Well, hot dogs are made from pigs, right?
user
Do you mean they use the pig?
assistant
Is it true that hot dogs contain many different parts of the pig that wouldn't be used otherwise?