question: discrimination:inferiority
choices.label: A B C D
choices.text: investigation:discovery gap:backward scare people:be scared disagreement:negotiation
explanation: "discrimination" leads to "inferiority", and the subjects of "discrimination" and "inferiority" are inconsistent. "investigation" and "discovery" belong to a chronological order. The word order of "backward" and "gap" is inconsistent with the query. "scaring people" leads to someone "being scared", and the subjects of "being scared" and "scaring people" are inconsistent. "disagreement" leads to "negotiation", and "disagreement" and "negotiation" subjects are consistent.
relation: discrimination inferiority R5.1
relation: investigation discovery R5.2
relation: backward gap R5.1
relation: scare people be scared R5.1
relation: disagreement negotiation R5.1