"Well, it is warmer."
"How do you know it is?"
"I suppose it is."
"Isn't the weather the same everywhere?"
"Why, no,—no; it's warmer in some places and it's colder in others."
"What makes it warmer in some places than it's colder in others?"
"Why, the sun,—the effect of the sun's heat."
"Makes it colder in some places than it's warmer in others? Never heard of such a thing."
"No, no, no. I didn't mean that. The sun makes it warmer."
"Then what makes it colder?"