question: price increase:sluggish sales
choices.label: A B C D
choices.text: rainstorm:muddy sunny:weather soil:irrigated enterprise:cost
explanation: the reason for "sluggish sales" is "price increase". the reason for being "muddy" is "rainstorm". "sunny" is a kind of "weather", and the cause of "weather" is not "sunny". "soil" is "irrigated" and the reason for "irrigation" is not "soil". "enterprises" operate on "cost", and the reason for "cost" is not "enterprises".
relation: price increase sluggish sales R5.1
relation: rainstorm muddy R5.1
relation: sunny weather R2.2
relation: soil irrigated R4.2