question: call records:mobile phone
choices.label: A B C D
choices.text: hard disk:computer remote control:tv audio tape:voice recorder audio file:voice recorder
explanation: "mobile phone" is a tool for storing "call records". a "hard disk" is an integral part of a "computer", which cannot store the "hard disk". "remote control" and "tv" are used together, and "tv" cannot store "remote control". "audio tape" and "voice recorder" are used together, and "voice recorders" cannot store "audio tapes".  a "voice recorder" is a tool for storing "audio files".
relation: call records mobile phone R3.10
relation: hard disk computer R2.3
relation: remote control tv R3.10
relation: audio tape voice recorder R3.10
relation: audio file voice recorder R3.10