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

Sentence1: Can I help you with anything else today? Sentence2: I am looking to get an address and entrance fee for a theatre. Can you search for one for me using the criteria I mentioned earlier? Sentence3: There is no specific area. Sentence4: Entrance fee is not mentioned. There are no restaurants in that area that fit your criteria. Is there something else I can look up for you? Sentence5: Yes, get me a table for 3 at 15:30 on Saturday. Sentence6: Fantastic, have a great day! Sentence7: Is there a entrance fee? I am also looking for a cheap north american restaurant to dine at on the east side. Any recommendations? Sentence8: No that will be all! Thank you! Sentence9: Hi, can you please give me information on theatres in town? Sentence10: The Missing Sock is an international restaurant in the East and has a cheap price range. Would you like a reservation? Sentence11: I have made those reservations and the reference number is Y40MJDC0 . Sentence12: I have 5 theaters located in the centre and south which area would you like? Sentence13: Are there any serving international cuisine in the same area and price range? Sentence14: Great, thanks for your help! Sentence15: I see. What sort of information can I help you with? Sentence16: The address for adc theatre is park street. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: I want to know if the Worth House is still renting rooms. Sentence2: Yes make the booking or me for 2 and provide the reference number. Sentence3: Ok, I was able to make your reservation. Your total fee is 33.2 GBP. Your Reference number is : POE0NTR1 . Sentence4: yes book for 2 people and 3 nights from thursday Sentence5: Thank you very much. That is all the information I need. Sentence6: The TR1047 leaves Cambridge for London Liverpool Street Wednesday arriving at 07:27. The price is 16.60 lbs. Can I book it for you? Sentence7: Where are you departing from, and what day? Is there a certain time you need to leave or arrive by? Sentence8: i am planning your trip in Cambridge Sentence9: Sure, you really should be more pleasant. I need to get to London Liverpool Street on Wednesday by 20:45 please. Sentence10: Okay great! Have a great trip! Sentence11: Thanks. I also need to find a train to london liverpool street. Sentence12: Are you planning a trip to Cambridge? If so, what type of information are you looking for today? Sentence13: Since this is the cambridge help desk, I assumed that, I really need the date and time to get you booked. Sentence14: I am leaving from Cambridge. Sentence15: Yes they are. Would you like to book a room? Sentence16: Booking was successful. Reference number is : WX6QA7D0 . Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: I would suggest the acorn guest house. Sentence2: It's moderate. Did you want to book? Sentence3: what is the price range? Sentence4: Okay, you got it. Booking was successful, and your reference number is VSC3P8W2 . Sentence5: Yes please, 4 people for 3 nights starting from friday. I will need the reference number. Sentence6: Have a pleasant day, goodbye. Sentence7: Yes, I am in the planning stages and could use some help finding some places to go in town. Sentence8: We have four theatres to pick from, I recommend the mumford theatre, they can be reached at 08451962320 Sentence9: Thank you so much! That's all I need for the moment. Sentence10: i need to see a theater in the center. find me the phone number Sentence11: Well we have many interesting things to see in Cambridge. Is there something specific you were looking for? Perhaps you'd like to visit some of our museums? Sentence12: I am also needing a place to stay with free parking and free wifi. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User