Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Sure, please book that for 6 people at 17:30 on wednesday. Sentence2: I want to leave on wednesday after 09:30. I need seats for 6 people and the reference number please. Sentence3: We need to go to Cambridge. Sentence4: We have many options available. What type of food would you like to eat? Sentence5: That should be no problem do you have a departure or arrival time in mind? Sentence6: thanks a lot i enjoyed your service Sentence7: Yes, we love Korean food and want to try the expensive price range, please. Sentence8: How about little seoul? It has gotten great reviews! Sentence9: Sure. There are plenty of places to eat. Do you have a preference for area, price, or location? Sentence10: I'm sorry those are not available. Sentence11: It's not available. Would you like to try a different restaurant? Sentence12: I actually need a train leaving kings lynn on wednesday. Sentence13: Thank you for your help. Good bye! Sentence14: No, could you try that restaurant for later that evening? Sentence15: I am traveling to Cambridge and looking forward to try local restaurants. Sentence16: TR3225 leaves Kings Lynn 10:11 and arrives in Cambridge at 10:58. Do you want me to book this train for you? Sentence17: could you try Monday @ 19:30 please? Sentence18: Thank you for using the Cambridge TownInfo Centre! Sentence19: We are having technical problems. Please call the restaurant directly at 01223308681. Anything else? Sentence20: I also need a place to dine. Can you help me? Sentence21: I don't think so. Sentence22: Could you try Monday then? Sentence23: It is not available for the time requested. Should I check different time? Sentence24: I am sorry, I can't book anything for that restaurant at all that night. Is there a different restaurant I can try for you? Sentence25: Pardon? Were you able to reserve our table, please? Sentence26: I can do that for you! Where would you like to go? Sentence27: Booking was successful, the total fee is 58.8 GBP payable at the station .Reference number is : USQHZNBW . May I assist you with anything else ? Sentence28: yes and please include a reference number Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System