The line describing the rotting smell and flies around the lunch setting indicates trouble for Mr. Chiu.
The line from "Saboteur" that best indicates that the lunch hour will be a source of trouble for Mr. Chiu is: "The air smelled of rotten melons. A few flies kept buzzing about the couple's lunch." This description of the unpleasant smell and presence of flies suggests that the lunch setting may lead to a problematic situation for Mr. Chiu.
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