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

Sentence1: Have a good day! Sentence2: No thank you, that is all. Sentence3: I am looking for a train to London Kings Cross that departs after 08:15. Sentence4: The TR2000 leaves cambridge going to london kings cross on friday at 09:00. It arrives in london kings cross at 09:51. How does that sound? Sentence5: Yes. What do you have available? Sentence6: Are you departing from cambridge station? Sentence7: I'll be travelling on a Wednesday. Sentence8: That's great. Please book me two tickets. Sentence9: The booking was successful and the fee is 47.2 GBP payable at the station. Reference number is E2N0JHSY . May I assist you with anything else today. Sentence10: What day would you like to travel? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Thanks for the help, bye! Sentence2: I have many varying from moderate to expensive in price range. Do you have a preference? Sentence3: Have a great day! Sentence4: Certainly, I have booked your car, it will be a yellow skoda the contact number is 07839693090. Is there anything else I can assist with? Sentence5: Yes. I am looking for a college as a place to go in town. Sentence6: I recommend Tandoori Palace, would you like me to book a table for you? Sentence7: Tandoori Palace is located at 68 Histon Road Chesterton, postcode cb43le. Their phone number is 01223506055. Is there anything else I can help you with? Sentence8: I would recommend Clare Hall would you like to visit that? Sentence9: No, that is all. Thank you! Sentence10: Yes, please. Can you book a taxi for me? I'll be heading from Clare Hall to Tandoori Palace, and I'd like to be picked up at 18:15. Sentence11: I'm looking for a restaurant in the west that serves Indian food. Sentence12: I don't need a reservation, but could you give me their address, postcode, and phone number, please? Sentence13: What do you have in the expensive price range? Sentence14: Clare College is located on Trinity Lane in the west area of the city. The entrance fee is 2.50 pounds. Is there any other information I can get for you? Sentence15: Glad we could be assistance. Sentence16: Sure, but first I'll need to know the entrance fee, area, and address. Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

Sentence1: Can I get information on the area you would like the guesthouse in? Sentence2: Thank you, so much. That is everything I need. Sentence3: Only if it has free parking. Sentence4: I need to find a place to stay in the moderate price range with free parking. Sentence5: Yes it does and I was able to book it for you! The reference number is LCO449VR . Sentence6: I am looking for a guesthouse type please. Sentence7: I don't have a preference. Sentence8: Yes please, and let try the North part of town. Sentence9: What day would you like it booked for? Sentence10: I have 5 guesthouses available in the north with free parking. What star rating are you looking for? Sentence11: If the Acorn Guest House has free wifi, please book it for me. Sentence12: I have 14 places that match your request. Is there a certain area or type of lodging that you would like? Sentence13: yes, lets try a different hotel in the same price range. Sentence14: Starting Sunday for 3 nights and 6 people. Sentence15: Thank you for calling. Have a great day! Sentence16: I'd recommend the Acorn Guest House. Would you like to book a room? Sentence17: I am sorry but I was unable to book that for you. Should I try another hotel? Sentence18: I could try the home from home for you. Would that work for you? Question: Who has spoken the sentence 8? (A) User (B) System

Answer: (A) User