question: disease: medicine
choices.label: A B C D
choices.text: emptiness:faith confusion:understanding thunderstorm:gale sadness:happiness
explanation: "disease" can be improved with "medicine". the "emptiness" can be improved with "faith". "confusion" and "understanding" have opposite meanings, and "understanding" cannot improve "confusion". "thunderstorm" and "gale" are both natural phenomena, and the condition of a "thunderstorm" cannot be improved by a "gale". "sadness" and "happiness" have opposite meanings, and "sadness" may not necessarily be improved by "happiness".
relation: confusion understanding R1.2
relation: thunderstorm gale R2.4
relation: sadness happiness R1.2