choices.label: A B C D
choices.text: vegetable farmer:farmer morning sun:setting sun juvenile:singer green mountains:clear water
explanation: an "expert" can be an "official" and an "officer" can also be an "expert" "farmers" includes "vegetable farmers", and "vegetable farmers" is not the whole of "farmers". "morning sun" and "setting sun" are both states of the sun. "sunrise" is the morning sun, "sunset" is the evening sun. "juvenile" can be a "singer", and a "singer" can also be a "juvenile" "green mountains" and "clear water " are both scenery, "green mountains" cannot be "clear water"
relation: expert official R2.7
relation: vegetable farmer farmer R2.2
relation: morning sun setting sun R2.4
relation: juvenile singer R2.7
relation: green mountains clear water R2.4