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

[EX Q]: Sentence1: Yes please. Please make sure the restaurant has a table available for booking for seven people on sunday at 13:15. Sentence2: Glad to be of service! Goodbye! Sentence3: I would really like to get really great Chinese food. Can you suggest an expensive chinese place? Sentence4: Yes! There are 5 that I have found. One in the East, 2 South, 1 North and 1 Centre. Would you like the address of any of them? Sentence5: I have 4 swimming pools to choose from. 2 are in the north, and I have one in the east and centre. Do you have a preference? Sentence6: I don't have a area of town preference. Sentence7: Sure! Abbey Pool and Astroturf Pitch is at Pool Way, Whitehill Road, off Newmarket Road. Would you like the phone number? Sentence8: What type of food. Sentence9: Hey I am looking for a swimming pool to go to while in Cambridge. Can you find me one Sentence10: Great that's all I needed. Thanks for your help. Bye. Sentence11: naw, but i'm looking for some food Sentence12: Sure, there are a number of options. Is there a particular area of town you were interested in? Sentence13: I think the one in the East would be best. Can you give me an address for it? Sentence14: I booked you a table at Hakka (ref #7K0C5AJN). They're on the east side at Milton Road, Chesterton. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm sorry the full address isn't listed would you like there postcode and phone number? Sentence2: They are on Wheeler street and phone is 01223357851 Sentence3: No but I also need a hotel called university arms hotel. Sentence4: It is a theatre located in the centre on wheeler street. Sentence5: Can you provide their full address please? Sentence6: I'd like to visit an attraction called the Cambridge Corn Exchange. What can you tell me about it? Sentence7: I was able to find university arms hotel located at regent street. Would you like me to book a room for you? Sentence8: Before we do that, what type of attraction is the Cambridge Corn Exchange? I don't know too much about it. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Great, will you need a taxi perhaps? I can also give you information on attractions in the area. Sentence2: you are welcome. enjoy your stay. Sentence3: Perfect! That is all I needed. Sentence4: No, that was all I need, thanks. Goodbye. Sentence5: Done. Look for a white volkswagon and the contact number is 07673977358. Will there be anything else today? Sentence6: All righty, your reservation is set for Sunday, 18:15, for 8 people. Your table will be held for 15 minutes. Your reference number is NUVBZXWY . Sentence7: Yes, please. I will have a party of 8 ready to dine on Sunday at 18:15. Sentence8: Oh yes of course. I need one to arrive at the restaurant by 18:15. Please provide the car type and contact number. Sentence9: I recommend Royal Standard, a gastropub in the east. It's located at 290 Mill Road City Centre. Can I make a reservation for you? Sentence10: I'd prefer an address at this point. Thanks! Sentence11: Home From Home is a 4 star guesthouse with internet and parking in the moderate price range. Would you like their phone number? Sentence12: Okay. Their address is 78-80 Milton Road. Sentence13: Thanks! I'm also looking for an expensive restaurant in the east. Sentence14: I need to know more about a hotel called home from home. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System