question: writing:pen
choices.label: A B C D
choices.text: basket:basketball rice:bowl character:toughness throwing:stone
explanation: "pen" is a tool for "writing". one of the terms in the sport of "basketball" is "basket" and "basketball" is not a tool for "basketball". "bowl" is a container of "rice", and "bowl" is not the tool of "rice". "toughness" belongs to "characters", "toughness" is not a tool of "character". a "stone" is a tool for "throwing".
relation: pen writing R3.10
relation: basket basketball R3.10
relation: bowl rice R3.10
relation: toughness character R2.2
relation: stone throwing R3.8