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

[EX Q]: Sentence1: The Lensfield does have free wifi. Their phone number is 01223355017 and their postcode is cb21en. Sentence2: First, can you give me the phone number, postcode, and tell me if they have internet? Sentence3: Is it a guesthouse? I'd really like a guesthouse with 3 stars, if possible. Sentence4: That is perfect, thank you for your help. Goodbye. Sentence5: Unfortunately, I can't find a 3-star expensive guesthouse with free parking. Would you like me to find something else? Sentence6: Sure, The Lensfield hotel is in the south. It is very nice, can I book it for you? Sentence7: Express by Holiday Inn Cambridge is an expensive hotel with free parking. Their phone number is 01223866800. Sentence8: I'm looking for an expensive place to stay with free parking please. Sentence9: Let us know if you have any more questions! Sentence10: How about a hotel instead of a guesthouse? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I am looking for a place to stay Sentence2: Sala Thong serves Thai food and is located at 35 Newnham Road, Newnham cb39ey. Their phone number is 01223323178. Can I help with a booking? Sentence3: Thank you! Good bye. Sentence4: There are a lot of guesthouses that meet that criteria. Do you want to stay in a particular area? Sentence5: let's book it for wednesday please. Sentence6: Yes. Where is a good expensive restaurant in the West area of town? Sentence7: What's the address, postcode and phone number of the thai restaurant? Sentence8: I think we're jumping way ahead of ourselves here. Let's start afresh. Please get me the address to the acorn and then we can proceed with getting a taxi Sentence9: There's british, european, indian, and thai. Sentence10: What day and time would you like me to reserve the restaurant for? Sentence11: No, I don't care about the location. I do want a 4 star place though. Sentence12: I'm looking for a guesthouse with free parking and free wifi. Sentence13: I will definitely be able to help you with that. Did you want a hotel or a guest house? Sentence14: Yes can you please book that for me? Sentence15: Can you give me some examples of the type of cuisine that is available? Sentence16: There are nine expensive restaurants in the west, is there a particular type of food that you are interested in? Sentence17: Thank you for calling Cambridge TownInfo centre. It was a pleasure to help you. Sentence18: The acorn guest house has a 4 star rating and is in the moderate price range. It is in the north area. Would you like to reserve a room? Sentence19: The address to acorn is 154 chesterton road. Sentence20: How many people will the booking be for and what time would you prefer the booking to be at? Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: The Addenbrookes Hospital on Hills Road in Cambridge offers many services. Sentence2: their details are Addenbrookes Hospital Telephone : 01223245151 Address : Hills Rd, Cambridge Postcode : CB20QQ Sentence3: Alright. I hope you enjoy the remainder of your day. Sentence4: I need to find a hospital. Sentence5: Can I get the phone number and full mailing address of the cardiology and coronary care unit department at that hospital? Sentence6: Thank you. That's all for today. Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]:
Answer: (A) User