What kind of dog mix is this?

Asked: What kind of dog mix is this?I realize he's a mutt. My family is just really confused about what he is. He's definitely part Lab but we're torn between the other half being either Boxer or Pitbull. We've also considered Lab/Dalmation mix because of his spotting. I know puppies are excitable but he's really over the top. He's extremely strong, he's intelligent, and it seems like he's never tired. He always wants to play and run around. It gets

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