question: mobile:wechat:payment
choices.label: A B C D
choices.text: car:driving:navigation high speed ​​rail:transportation:fast computer:internet:watching movies satellite:positioning:convenience
explanation: "wechat" is a type of "mobile phone" software. "wechat" corresponds to "mobile phone", and "wechat" can be used for "payment", and "wechat" corresponds to "payment". "cars" will be "driven". "high-speed rail" has the function of "transportation". "accessing the internet" is the way to use "computer". "internet access" corresponds to "computer". after "accessing the internet", you can "watch movies", and "internet access" corresponds to "watch movies". "satellite" can be used for "positioning", and "convenience" is its attribute.
relation: wechat mobile R3.10
relation: wechat payment R3.10
relation: driving car R4.2
relation: high speed ​​rail transportation R3.3
relation: internet computer R3.10
relation: internet watching movies R3.10
relation: satellite positioning R3.10
relation: satellite convenience R3.1