answer: Matt has 3 pets in his mom's house. He thinks people keep pets for their companionship and guess people keep all types of things.
documents: #Person1#: Matt, do you have a pet?
  #Person2#: Yes. In fact in my mom's house, we have 3 pets, 2 dogs and a cat. My family actually raises dogs for helping blind People.
  #Person1#: Oh, wow. That's cool! Um, Why do people keep pets?
  #Person2#: I guess the most important thing is companionship, right? So there is always somebody there for you that will like you.
  #Person1#: Yeah, that's true. Ok, besides cats, dogs and fish. What are some other pets people keep?
  #Person2#: Well, I guess all types of things. My friend has a snake. I don't know if you mentioned that, snake and insects, spiders.