You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: No thank you. You have helped tremendously. Sentence2: What is the address and postcode, please? Sentence3: Can you help me? I was in a car accident dispute. Sentence4: The Parkside Police Station's phone number is 01223358966 Sentence5: you are welcome Sentence6: The address is Parkside and the postcode is CB11JG. Can I help you with anything else? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Booking was unsuccessful. Do you have a different time preference? Sentence2: Is it in the expensive price range? Sentence3: Yes book a table, thank you. Sentence4: I was happy to help, enjoy your meal. Sentence5: Sure, try booking that one for the same people, date, and time, please. Sentence6: Can you please give me a day and time that you would like to book a table for? Sentence7: No, that's all I need. Thank you for your assistance! Sentence8: I am looking for Korean food, in the Centre of town. Sentence9: No. How about finding another restaurant in the same area and price range. Sentence10: I've booked your table for 7 people on Monday at 13:45 at Kymmoy. Your reference number is 1MS5BUU6 . Is there anything else I can help you with today? Sentence11: There is one Korean restaurant in the centre, Little Seoul. Would you like the address and phone number? Sentence12: How about Kymmoy? It's an Asian restaurant in Expensive price range, located in Centre area. Sentence13: Yes, it is expensive. Are you interested in booking a table there? Sentence14: 13:45 on monday and a table for 7 please. I will need a reference number too. Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

Sentence1: You're welcome. Please let us know if there is anything else we can help with. Sentence2: It doesn't matter what time I leave, just so I arrive by 09:45. Sentence3: Train TR2547 arrives at Stansted Airport Thursday at 8:08. Travel time is 28 minutes, and you would leave at 7:40. Can I book it for you? Sentence4: Could you tell me your intended destination please? Sentence5: I have four different trains that would get you to Stansted Airport by 9:45 on Thursday. What time would you like to leave? Sentence6: No that won't be necessary. Thank you for the information. Sentence7: How about TR7966? It leaves at 05:40? Sentence8: I am looking for a train. I need to leave Cambridge and I would like to arrive by 09:45. Sentence9: Sure. can i just get the travel time and departure time please Sentence10: I need to get to the Stansted Airport on Thursday. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User