Read the following sentence and then select the sentence that would best clarify its meaning:
When he cooked dinner with his son, they invited Maria and her sister, and they said they were hungry.
O When he and his son cooked dinner, he and his son invited Maria and her sister, and Maria and her sister said they were hungry.
O When he cooked dinner with his son, they invited them, and Maria and her sister said they were hungry.
O When he cooked dinner with his son, he and his son invited them, and they said Maria and her sister were hungry.
O When Rashad and his son cooked dinner, they invited Maria and her sister, who both said they were hungry.