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

Sentence1: It has a 3 star rating. Sentence2: Could you tell me if The Lensfield Hotel has at least a 4 star rating? Sentence3: Find me an expensive place to stay on the south side, please. Sentence4: Yes I would like to make a booking. Sentence5: You're welcome. Have a great day! Sentence6: No, The only hotel I see has a 3 star rating. Sentence7: You know I also need someplace to eat in that is also cheap, and also in the south area. Sentence8: There is only one expensive hotel on the south side. Would you like to book at The Lensfield Hotel? Sentence9: Okay, how many guests and how many nights would you like me to book? Sentence10: How about a hotel in the cheap price range? Sentence11: I would also like a taxi to arrive by my booked time. can i have the taxi contact number and car type Sentence12: Lets go with The Lucky Star. I need a table for 8 people at 13:45 on Friday. Sentence13: Great it's all booked the reference number is MXDZ66IK Sentence14: You have your choice of The Lucky Star, with Chinese cuisine, or Nandos, a portuguese restaurant. Sentence15: Sure, the car will be a blue lexus and the contact number is 07235433780. Anything else I can help you with? Sentence16: I see, are there any cheap 4 star hotels on the south side? Sentence17: Nope, that is all. Thank you very much. Sentence18: Rosa's bed and breakfast is a guesthouse is a 4 star. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

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: Can you please check again? Hopefully, there was just an error in inputting the information into the search system. Thanks Sentence2: Can you help me find a 4 star hotel to stay at that has free wifi? Thanks. Sentence3: Can you check for a guesthouse with those requirements mentioned above? Sentence4: That doesn't matter as long as I'm in the east part of town. Sentence5: I am sorry there is still no match coming up for your criteria. Would you like to try a different part of town? Sentence6: I'm sorry. There are no hotels matching that criteria in the area you are interested in. Sentence7: I have three hotels that have those requirements. I have 2 expensive and one cheap in pricing. Which would you be interested in? Sentence8: Yes, there are 6 options. What is your price range? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System