question: eye chart:glasses
choices.label: A B C D
choices.text: electronic scales:food treadmill:fat thermometer:antipyretic ct machine:tumor
explanation: "eye chart" is a tool for detecting vision, and "glasses" is a tool for adjusting vision, both of which are related to vision. the "electronic scale" is a tool for measuring weight, but "food" is not a tool for adjusting weight. "treadmill" can help reduce "fat", "fat" is not an appliance. "thermometer" is a device for detecting body temperature, and "antipyretic" is a device for regulating body temperature, both of which are related to body temperature. "ct machine" is a tool for detecting "tumor", and "tumor" is not an appliance.
relation: eye chart glasses R2.4
relation: electronic scales food R3.10
relation: treadmill fat R3.10
relation: thermometer antipyretic R2.4
relation: ct machine tumor R3.10