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

[Q]: Sentence1: Price range doesn't really matter, but I do want a 4-star place with free parking and internet. Sentence2: I have 19 hotels that match that criteria. please be more specific about the area of town where you'd like to stay Sentence3: Do you prefer a formal hotel, or a guesthouse? Sentence4: OK, what price point do you want me to look for? Sentence5: Booking was successful at the alexander bed and breakfast. Reference number is : MDB2AV4K Sentence6: i need a place to stay Sentence7: The area doesn't matter. Please book for 6 people on Saturday with 4 nights stay. Sentence8: Can you give me a suggestion for a hotel and make that reservation please? Thanks. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes please, two people for two nights on sunday. Sentence2: Yes! Can you book for 2 people at 14:15 on this Sunday? Sentence3: Reference number is : E9BM21NJ . Is there anything else I can assist you with? Sentence4: Are you sure there is nothing more I can help with today? Sentence5: Great that will be all we need. Sentence6: Can you help me find a place to eat in the expensive price range in the south part of town? Sentence7: I have one matching result. It is the lensfield hotel. Do you want to reserve a room? Sentence8: I was able to book your party of 2 into The Chop House on Sunday at 14:15 Reference: MUWLBLLW . May I assist with more today? Sentence9: What about the cambridge chop house. The address is: 1 Kings Parade. You you like me to book a table? Sentence10: Do you have a reference number? Sentence11: This time that is everything, thank you for your help. Sentence12: Actually yes I will be needing somewhere to stay too please. A 3 star hotel in the same area and price range as my restaurant. Sentence13: You are welcome enjoy. Sentence14: Ok, I've booked the Lensfield Hotel for you for 2 people and 2 nights starting Sunday Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: What day would you like to travel on? Sentence2: I also need a train to Cambridge departing from Stevenage. Sentence3: Italian would be great. I also need a train to Cambridge that arrives on Tuesday by 15:30. Sentence4: Reference number is IAYFJ8SI, that will be all Sentence5: Absolutely, there are quite a few restaurants. Can you help me by specifying what type of food you're looking for? Sentence6: Ok, I've booked your party on TR0517, it leaves at 11:54. Reference number is IAYFJ8SI . Total is 102.4 GBP payable at the station. Anything else I can do? Sentence7: Anytime would be great, I'd like to book it for the same number of people as my restaurant. Sentence8: I am interested in an expensive restaurant. See what's available, and maybe I can choose from there. Sentence9: I'll be traveling Tuesday, and need it booked for 8. Could I also get the reference number for that as well? Sentence10: any expensive restaurant will suffice. Reserve it for 8 people at 18:30 on tuesday and I'll need the reservation number please. Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 51VEERAC . Sentence12: Could you help me locate a restaurant in the east area of town? Sentence13: Great! Have a great day! Sentence14: The first train leaves Stevenage at 05:54 and every two hours thereafter until the last train at 23:54. What time would you like to leave or arrive? Sentence15: I have five places, what type would you prefer? Sentence16: There are no Italian places to dine, is there another food you would prefer before we book the train? Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System