question: penguin:agate
choices.label: A B C D
choices.text: computer:mobile vulture:graphite apple:papaya butterfly:grasshopper
explanation: "penguin" is an animal while "agate" is a mineral. both "computer" and "mobile phone" are electronic products. "vulture" is an animal while "graphite" is a mineral. "apple" and "papaya" are both fruits. both "butterfly" and "grasshopper" are insects.
relation: penguin agate R2.8
relation: computer mobile R2.4
relation: vulture penguin R2.8
relation: apple papaya R2.4
relation: butterfly grasshopper R2.4