{"answers": "B", "options": ["m : i 'm afraid i ca n't catch you since you and cathy have been practicing together for some days .", "m : i 'm happy to join you , but can you tell me what you and the other two persons have practiced ?", "m : thank you for inviting me to join you , helen and johnson , i would think about it and tell you later .", "m : if i join you , we will be a group of five . tnakn you for inviting me , but i enjoy singing alone more ."], "article": "f : are you going to take part in the school singing contest ? m : no , i do n't think so . f : why not ? you have a great voice and you sing at her local community center every sunday , do n't you ? m : thanks , well . yes , i do sing at the community center , but that is with a whole bunch of other people . i get really nervous singing in front of many people just by myself . f : you could form a group with someone , that way you may feel more relaxed . m : that sounds like a good idea . f : actually , mary , john and i are going to take part in the contest as a group . why do n't you join us ? it would be more balanced to have 2 girls and 2 boys and i 'm sure we will sound great .", "id": "train_304"}