{"answers": "C", "options": ["f : yes , especially the plastic bottles . it 's good for pupils to pick them up to remind people to save money .", "f : sounds good . it is good to pick up those clean plastic bags to reuse .", "f : wow , that 's meaningful ! it is good to remind people about enviroment by doing so .", "f : yes , it 's meaningful to reuse those paper bags . teachers are picking them up ."], "article": "f : what are the pupils doing there ? they 're picking up the plastic bags on the street , but the plastic bags are so dirty . m : they are doing that to remind people to protect the environment . you know , the white pollution is so serious these years .", "id": "train_4085"}