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

Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Booked car type : white toyota Contact number : 07264671188 All set. What else can I help with today? Sentence2: looking for places to go in town and be in the South Sentence3: Yes, please book it. Sentence4: Thank you. I'd also like to book a taxi. I need to leave the hotel by 10:15. Sentence5: When will you start your stay? Sentence6: What's the entrance fee? Sentence7: What type of attraction are you looking for? Sentence8: The attraction should be in the south. Sentence9: I think I got everything I need thanks to you! Sentence10: Unfortunately, Nusha has not provided any information on entrance fees. I can seek other options, if you'd like. Sentence11: I need it for Thursday night, for four nights, for 4 people. I'll also need a taxi by 10:15. I need the car type and contact number please. Sentence12: Booking was successful. Reference number is : Y3CFU8WN . Sentence13: There is a hotel called Cityroomz in centre located at Sleeperz Hotel, station road. Would you like me to book it for you? Sentence14: how about nusha? it's located in the south. Sentence15: then find me a particular hotel called cityroomz Sentence16: Well, you are very welcome. I hope you have a great time! Question: Who has spoken the sentence 13? (A) User (B) System
Answer: (B) System

Sentence1: Can you book me a table for five people on Monday at six fourty five? Sentence2: I see there are 110 restaurants in the cheap price range for you. Is there a certain type of food you are wanting? Sentence3: Yes. I am looking to visit Ely on Monday and needing to book a train seat to get there. Sentence4: Your reference number is S31VX69C . Is there anything else I can help you with? Sentence5: Booking was successful. The table will be reserved for 15 minutes. Sentence6: Can I please have the reference number? Sentence7: I need a place to eat in the cheap price range. Sentence8: Let's see what's near the east area, first. Sentence9: Yes I will book it for you and get a reference number ? Sentence10: The Missing Sock is a fantastic international restaurant located in East in your price range. Would you like further information? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User