The man stepped out of the house and stood quite still, listening. Behind him, lights glowed in the cheerful room, the books were neat and orderly in their cases, the radio talked importantly to itself. In front of him, the bay stretched dark and silent, one of the countless lagoons that border the coast where Florida thrusts its great green thumb deep into the tropics.

It was late in September. The night was breathless; summer's dead hand still lay heavy on the land. The man moved forward six paces and stood on the sea wall. He dropped his cigarette and noted where the tiny spark hissed and went out.

Somewhere out in the blackness a mullet jumped and fell back with a sullen splash. Heavy with roe, they were jumping less often, now. They would not take a hook, but a skilled man with a cast net might take half a dozen in an hour.

Q. Underline two sentences which establish contrast in setting.