choices.label: A B C D
choices.text: dolphin:sea fish rice:grain executives:female law:computer science
explanation: "chinese characters" are a type of "symbols". a "dolphin" is a mammal, not a kind of "sea fish". "rice" is a kind of "grain". "executives" can be "female" and "female" can be "executives". "law" is not a kind of "computer science". the two are different disciplines.
relation: chinese characters symbols R2.2
relation: dolphin dolphin R2.8
relation: grain rice R2.2
relation: executives female R2.7
relation: law computer science R2.4