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

Q: Sentence1: Ok, that would be great. Can I get the reference number please? Sentence2: Sure, and make me a booking for 7 people. Sentence3: I'll be departing from Cambridge on Wednesday. Sentence4: Yes I need a train going to birmingham new street leaving after 18:15. Sentence5: I have Hughes Hall, 01223334898, with free entrance. The broughton house gallery at 01223314960, also free. I don't seem to have any churches. Can I help you further? Sentence6: there are some great museums, colleges and churches for you to visit. Sentence7: Please recommend some worthwhile places to visit in the centre. Sentence8: Have a wonderful visit. Thank you for using Cambridge TownInfo Centre. Goodbye. Sentence9: I will go ahead and book that for you. Sentence10: Great, I would like to get some phone numbers for those places in the centre. Sentence11: Where will you be departing from, and on what day? Sentence12: Thank you. That's all I need for today. You've been a great help. Sentence13: There are five trains leaving on Weds. Do you want me to pick one to book? Sentence14: TR9236 leaves cambridge on wednesday on 19:01 and arrives at birmingham new street at 21:44. I have booked 7 tickets. Your Reference number is : 2BGY3ZRW . Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Taj Tandoori is an expensive Indian restaurant in the South. Would you like more information on them? Sentence2: I'm looking for an expensive restaurant in the south part of town Sentence3: Thanks for your call. Goodbye! Sentence4: Thank you goodbye. Sentence5: May I have their address and phone number? Sentence6: chiquito restaurant bar is located at 2G Cambridge leisure park cherry hinton road cherry hinton. Its phone number is 01223400170. Would you like anything else? Sentence7: Yes. chiquito restaurant bar serves mexican food in the expensive price range and is located in the south part of town. Sentence8: Is there anything else? Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Addenbrookes Hospital has a postcode of CB20QQ, and telephone number is 01223245151. Can I help with anything else? Sentence2: I'd like to locate Addenbrookes Hospital, please. Sentence3: No, thank you. That is it. Sentence4: Hills Road, Cambridge Sentence5: Thank you for using Cambridge TownInfo centre. Sentence6: And what's the postcode and the main phone number? Question: Who has spoken the sentence 1? (A) User (B) System

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