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

[EX Q]: Sentence1: That will work. What is the price and arrival time for that? Sentence2: Where would you like to travel from and to? Sentence3: Sure, I have 7 trains that would work. The closest to your requested time is the TR5110 that leaves at 20:34. Sentence4: That will cost you 16.50 pounds and you will arrive by 21:24. Sentence5: Certainly. Home from Home is a guesthouse on the north end of the city. It offers free internet and parking and is moderately priced. Would you like to book a room? Sentence6: The train should depart from cambridge and travel to peterborough. Sentence7: You too. Goodbye. Sentence8: I would like to book a train that is running on Tuesday and departs anytime after 20:15, can you help me with that? Sentence9: Thank you have a nice day. Sentence10: Your booking was successfull! Reference number is I5VKNKJ3 Sentence11: That is great. I also want to know about a hotel called home from home. Can you find it for me. Sentence12: Yes. I would like to book for 8 people for 3 nights starting from Saturday. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: That was helpful! Thank you goodbye. Sentence2: What type of information do you need? Sentence3: I need information to find the huntingdon marriott hotel. Sentence4: You are booked at express by holiday inn cambridge. Reference number: FGSTOTPY . Sentence5: Unfortunately, the booking was unsuccessful. Would you like for me to find another hotel for you? Sentence6: Do you need anything else? Sentence7: I need help finding huntingdon marriott hotel please. Could you book a room for me for 6 people on monday for 5 nights please? Sentence8: I suppose so. Another hotel in the same general price range, if you can. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I am looking for a cheap restaurant Sentence2: I made a mistake. I am looking for a cheap restaurant in the north part of town. Sentence3: I prefer Indian food. Sentence4: I want somewhere in the center . Sentence5: There are many restaurants in the centre of town. Is there any particular type of food you desire? Sentence6: Ok, I'm showing a number of cheap restaurants in town. Which area do you prefer ? Sentence7: I have two restaurants available, do you prefer Italian or Indian food? Sentence8: How about that Italian restaurant? Sentence9: royal spice is a cheap indian restaurant in the north. Sentence10: Thank you for the information. Goodbye. Sentence11: Is there anything else? Sentence12: Thank you, have a nice day! Sentence13: There is nothing else in the Indian and cheap in the north part of town. Sentence14: Da Vinci Pizzeria is a cheap Italian restaurant in the north. It's address is 20 Milton Road, Chesterton. Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]:
Answer: (B) System