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

Sentence1: I recommend university arms hotel. it is rated 4 stars and is expensive. Their number is 01223351241. Sentence2: Can you help me find a place to eat serving british food in the moderate price range? Sentence3: I have several listings. Please provide the part of town you prefer so I can narrow it down. Sentence4: Ok, can you book a room for our group or are you expecting me to call them? Sentence5: Yes, I'd like a hotel in the same area. Sentence6: In the centre if possible Sentence7: can please provide more information to help us serve you better. Sentence8: No thank you that will be all for today Sentence9: I can book it for you. Sentence10: Yes please, could you book a table for 6 at 16:45 on Wednesday? Could i get a reference number too please? Sentence11: sure I can help you with that, when are you planning your stay? Sentence12: i dont mind any price. Sentence13: How about the oak bistro located at 6 lensfield road. The post code is cb21ab and phone number 01223323361. Can I book this for you? Sentence14: I actually need a moderate hotel in the centre. I don't need free parking. I will need the hotel booked for 6 people, 2 nights, on Wednesday, please. Sentence15: You have your choice of an expensive or moderate price range in that area, do you have a preference? Sentence16: Wednesday, for 2 nights. Sentence17: Ok. I have a table for 6 booked for you at the Oak Bistro. Your reference number is 9SGIM1SR . Is there anything else I could help with today? Sentence18: It needs to be close to my hotel and open late. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: I'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: You're welcome. Have a nice day. Sentence2: No, that's all the information I need. Thank you! Sentence3: The Gonville Hotel actually offers both free wifi and free parking. Can I help you with booking a room there? Sentence4: It doesn't need to have free parking, but just by chance do they offer that? Sentence5: The gonville hotel is in the centre of town and has a 3 star rating. Sentence6: I am looking for a 3 star hotel in the centre of town Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System