The first heavy frost came at the end of November. The leaves of the big hickory at the north end of the clearing turned as yellow as butter. The sweet gums were yellow and red and the black-jack thicket across the road from the house flamed with a red as bright as a camp-fire. The grapevines were golden and the sumac was like oak embers. The October blooming of dog-fennel and sea-myrtle had turned to a feathery fluff. The days came in, cool and crisp, warmed to a pleasant slowness, and chilled again. The Baxters sat in the evening in the front room before the first hearth-fire.

Ma Baxter said, "Don't seem possible fire-time's here again."

Q. Underline a sentence which shows that dialogue may be used to reveal time as an element of setting.