2. What tone does Barber take toward the subject of the "warrior" gene? How is this tone different from the NPR article? Support your answer with specific cited evidence.

Which sentence does not contain an intensive pronoun? a) i guess i will just take out the trash myself. b) while treating herself to lunch, angie ran into an old friend. c) tony himself made dinner last night even though he hates to cook. d) lisa wondered if she herself was the one who left the oven on all day.