question: cell phone:communication:radiation
choices.label: A B C D
choices.text: landmine:defense:war train:transportation:noise refrigerator:refrigerate:ozone drugs:treatment:anesthesia
explanation: "cell phone" can be used for "communication", and the negative effect of "cell phone" is "radiation". "landmines" can be used for "defense", but the negative effect of "landmine" is not "war". "train" can be used for "transportation", and the negative effect of "train" is "noise". "refrigerator" can be used to "refrigerate", but the negative effect of "refrigerator" is not "ozone". "drugs" can be used to "treat", but the negative effects of "drugs" are not "anesthesia".
relation: cell phone communication R3.3
relation: radiation cell phone R3.1
relation: landmine defense R3.3
relation: train transportation R3.3
relation: noise train R3.1
relation: refrigerator refrigerate R3.3
relation: drugs treatment R3.3