Read this excerpt from The Land. My daddy took a moment before he answered."Because you're growing up."

"But that's got nothing to do with it."

"Oh, but it does," said my daddy. "It's got everything to do with it. Robert needs an education, and so do you. But you can't be educated in the same way."

Which best summarizes the theme developed through the dialogue in this excerpt?

Inequality is a lifelong struggle.
Loyalty can overcome inequality.
Education is plagued by inequality.
Inequality is common in families.