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

Q: Sentence1: What is your departure point? Sentence2: What time do you need to leave by? Sentence3: I am looking for a train to cambridge. I would like something on sunday to arrive by 18:30 Sentence4: I just want to get there at or shortly before 18:30. Sentence5: I'd like to recommend whipple museum of the history of science, at free school lane. Admission is free. Sentence6: Yes it is their full address and the postcode is cb23rh and their telephone number is 01223330906. May I help you with anything else today? Sentence7: Thank you. That is all that I need. Sentence8: i place want a place to go in the centre Sentence9: I found the perfect train! TR7771 will get you there at 18:24. Would you like me to book this for you? Sentence10: Ok, your booking is complete for 6 people. The cost is 79.19 GBP, payable at the station. The reference number is 8W0OSFM6 . Sentence11: I would like a museum in the centre please. Sentence12: What are you into? Do you like theatre? Museums? We have plenty of attractions in the centre and if you tell me what you enjoy I can recommend one Sentence13: My departure will be from Cambridge. Sentence14: Okay. Glad I could be of help. Sentence15: Is that the full address for the museum? Free School Lane? Sentence16: I need to go to Peterborough. Sentence17: Yes, please book me for 6 people. My birdwatching club is taking a trip together. Sentence18: And what is your destination city? Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Is there any Indian food on the west side of town. Sentence2: You're welcome. May I help with another query? Sentence3: Cocum is located at 71 Castle Street City Centre and their phone number is 01223 366668. Their price range is expensive. Sentence4: The price range doesn't matter. Sentence5: There are 6 Indian restaurants in the west part of town. What price range do you have in mind? Sentence6: There are no Hungarian restaurants in the west of town. Would you like to change your query? Sentence7: I would like a Hungarian restaurant in the west of town. Sentence8: Yes, but just for one. Sentence9: Would you like the name, address and phone number of a few of them? Sentence10: Goodbye. Sentence11: Thank you! Sentence12: Nope, I'm good. Thanks again. Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: You're welcome. Is there anything else I can help you with? Sentence2: I have made that taxi reservation. Look for a yello skoda and the contact number is 07041247281. Sentence3: Tandoori palace looks like a good fit for you. Could you like me to make a reservation? Sentence4: Not just yet but please get me their post code, phone number and address Sentence5: Yes, can you tell me if there are any concerthalls in the west? Sentence6: It was a pleasure helping you today. Good-bye. Sentence7: Thank you! Just give me the postcode and I should be good to go. Sentence8: They are located at 68 Histon Road Chesterton. Their phone number is 01223506055 and their postcode is cb43le. Anything else I can help you with? Sentence9: Awesome. Can I get a taxi from the College by 12:15? Sentence10: No, I'm sorry. The search didn't pull up any matches. Sentence11: Okay the postcode is cb30ds. Sentence12: I'd love to help! Where are you going? Sentence13: I want to find a restaurant in the west that serves light bites. Do you have any suggestions? Sentence14: What are some expensive restaurants? Sentence15: What about a college? Sentence16: I'm sorry, there are no concert halls located in the west, shall I check another area? Sentence17: I'd like Indian food, please. Sentence18: Okay, how about Churchill College? It's free to get in. Sentence19: I'm headed to Tandoori Palace from the College. Sentence20: No thank you! That will be all! Sentence21: There are a few choices in the expensive pricerange on the west side. What type of food would you prefer other than light bites? Sentence22: Thank you for booking that taxi and giving the contact number and car type. Question: Who has spoken the sentence 9? (A) User (B) System

A:
Answer: (B) System
****