What Breed Is My Dog?

I know the mom is a Black Lab/Pit mix, but the dad is completely unknown to everyone. I was wondering what everyone else thought she could be? She is a blonde little runt, has one little white paw and a white line down her face. She has a thin curly tail and big floppy ears that look like they could possibly stand up. She looks like she could be a medium/large size dog:)