instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: I'm departing from Norwich and want to arrive by 13:00. Sentence2: Yes, I will need a train to cambridge on thursday. Sentence3: You are booked for 7 people, 5 nights starting thursday. Your reference number is ZFREK5SQ . May I help you with anything else today? Sentence4: the Kirkwood House is in the north and it sports a four star rating. It has internet and parking and the price range is moderate. Would you like to book? Sentence5: You're welcome. Have a great time! Sentence6: The travel time of that train is 79 minutes. Sentence7: thanks for your help you have been great! Sentence8: That sounds perfect. Can you reserve it for seven people? Sentence9: Where will you be departing from? Sentence10: I'm looking for a particular hotel called the kirkwood house. Where is it, and what other information do you have about it? Sentence11: TR3078 departs at 11:16 and arrives by 12:35. Would you like a ticket? Sentence12: not right now, what's the travel time on that ride? Sentence13: Sure, I can book it for you. What day did you want to arrive and for how many days? Sentence14: 5 nights starting Thursday. Question: Who has spoken the sentence 4? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: thank you good bye Sentence2: i am sorry no welsh restaurants in the north part of town. Sentence3: East and expensive Sentence4: Here you go, 01223 248882, 529 Newmarket Road Fen Ditton. Anything else today? Sentence5: There are several restaurant matches in this area. Would you like British, Indian, Gastropub, or Chinese? Sentence6: address and phone number for the chinese restaurant Sentence7: In what part of town? Sentence8: I need a restaurant Sentence9: Wait. How about that British restaurant? Where is it located? Sentence10: No, This is it. Thank you Sentence11: thank you, good bye. Sentence12: Is there a welsh restaurant in the north part of town? Question: Who has spoken the sentence 4? (A) User (B) System
answer:
Answer: (A) User