Classic joke?

1. One day, Xiao Ming asked his mother, Mom, who is the ugliest in our family? Mom said, of course it's your father! Xiao Ming said, no, you! Mom asked again, why dad? Xiao Ming said, because dad is a big pig! Mom said, what does your father do? Xiao Ming said, because dad is a pig! Mom said, then why is dad a pig and you a pig? Xiao Ming said, because I am a pig! 2. One day, Xiao Ming asked Dad, Dad, who is the cleverest in our family? Dad said, why do you ask? You are not a child! Xiao Ming said, because my mother always said that I was a child! Dad said, do you want to be beaten again? Your mother is right! Xiao Ming said, then why does my mother always say that I am a child? Dad said, what your mother said is true, you are a child! Xiao Ming said, then why does my mother always say that I am a child? Dad said, your mother is right, you are a child! Xiao Ming said, then you are an adult and I am a child! Dad said, you are a child and I am an adult! Xiao Ming asked his mother, Mom, who is the ugliest in our family? Mom said, your dad!