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

Sentence1: Thank you for the help, have a nice day. Sentence2: Hi, kohinoor is a cheap Indian restaurant, but doesn't specify that it is South Indian. Would you like the phone number? Sentence3: There are 8 trains that will arrive by 21:45. What time would you like to depart? Sentence4: how about 17:00. Sentence5: Great! I am also looking for a train that leaves on thursday and departs from cambridge. Sentence6: Hi, I'm looking for a place to eat, preferably a cheap South Indian restaurant. Sentence7: How many tickets do you need? Sentence8: Yes, that would be great. Could I get a reference number please? Sentence9: Is it in the centre of the city? Sentence10: Would you like for me to book a table at Kohinoor for you? Sentence11: What's the last train to arrive by 21:45? Sentence12: Yes, it is indeed in the centre. The phone number is 01223323639 Sentence13: Destination is Stevenage. I would like to arrive by 21:45. Can you book the train for me as well? Sentence14: It would be the one leaving at 19:21 and arriving at 20:10. Shall I book it? Sentence15: I need 1 ticket. Sentence16: Booking was successful, the total fee is 12.8 GBP payable at the station . Reference number is : 5TM8STAM . Sentence17: What is your destination? Sentence18: Yes, please. 18:00 on Wednesday for just myself. Sentence19: I'm sorry, they're all booked up at that time. Would you like to try a different time? Sentence20: It was a pleasure to serve you have a great day Sentence21: I was able to book that, your reference number is HEJFVRPP . Sentence22: Ok, thank you. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Pick any of them, please. Book it for 6 people and 3 nights, starting thursday. Sentence2: I need something with free parking and a 4 star rating. Sentence3: I have 24 guesthouses. Let's narrow it down a bit. Do you have a price range? Sentence4: I am showing 18 colleges. Is there a certain area of town you would like? Sentence5: What is the postcode of Corpus Christi? Sentence6: Booking was successful. Reference number is : 2WPLODLS . is there anything else i can help you with? Sentence7: Not really. Which do you think would be the most interesting to visit? Sentence8: That cuts it down to 16. I can recommend the Acorn guest house, or do you have a pricerange or area of town you want to stay in? Sentence9: I would suggest Christ's college in the city centre or Corpus Christi college in the west. Christ's college is free and Corpus Christi costs 2 pounds? Which do you want? Sentence10: Hello, any interesting colleges in town? Sentence11: Their postcode is cb21rh. Can I assist you with anything else? Sentence12: I am looking for a guesthouse to stay in. Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

Sentence1: I want to arrive by 11:15. Sentence2: Okay we have the de luca cucina and bar and the riverside brasserie. Which one would you like? Sentence3: Sure, what day do you want to travel? Sentence4: Do you have a preferred time frame ? Sentence5: Let's do the riverside brasserie. What about a table for 3 at 15:00 on Saturday? Sentence6: Great I also need a train that should depart cambridge and head to ely. Sentence7: TR3177 will arrive by 10:07 and leaves at 09:50 would you like me to book it for you? Sentence8: i will do modern european food Sentence9: I would like to leave on a Sunday. Sentence10: Can you check if there are any moderately priced restaurants in the centre of town? Sentence11: Yes, there are several. Do you prefer Asian or British food? Sentence12: No that is all. Thank you. Goodbye Sentence13: You are set, the total fee is 3.52 GBP payable at the station, your Reference number is WVJC995L . May I help with anything else? Sentence14: Ok. Thank you. Goodbye. Sentence15: Yes, please. Include the reference number please Sentence16: Booking was successful. The table will be reserved for 15 minutes. Reference number is : TYDEG9IJ . Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System