Which sentence best contrasts Greg’s father and Lemon Brown, in "The Treasure of Lemon Brown”?

Lemon Brown has shown a deep concern for his son, while Greg’s father shows only a nagging concern for Greg.

Lemon Brown has lived a more exciting life of a musician, while Greg’s father lives a more stable existence as a postal worker.

Lemon Brown lives a tragic life, while Greg’s father does not take the risks that can lead to tragedy.

Lemon Brown shows regret for his son’s loss, while Greg’s father does not show remorse for his mistreatment of Greg.