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

Sentence1: No, that is all. Thanks for being so helpful for my upcoming trip. Looking forward to my stay. Bye. Sentence2: Yes, please. Would you book it for 8 people on Tuesday at 13:00? I need to be sure to get the reference number, please. Sentence3: Yes free parking and internet. Would you like me to book it for you? Sentence4: Does the hotel have free parking? Sentence5: I don't have a preference. It should be in the centre, however. Sentence6: There is the Ashley Hotel, which is a two star hotel in the north. Shall I book it for you? Sentence7: bedouin is a very nice african restaurant. Shall I book it ? Sentence8: Sure, what type of food do you want me to look for? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : P29I9V5T . Sentence10: Thank you. I'm also in need of a place to stay. I'd like it to be a hotel with a star of 2. Sentence11: Your welcome, I'm glad I could help. Sentence12: Yes please for 3 nights for 8 people on Tuesday. Sentence13: You are good to go, in case you need it, the reference number is FBC4YKK9, can I help with anything else? Sentence14: I need an expensive restaurant in the centre Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: I would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: My destination is cambridge. Sentence2: What day will you be traveling? Sentence3: Hey. I'm looking for a train from stansted airport. Sentence4: What is your destination ? Sentence5: I plan to go on tuesday. Sentence6: How many tickets would you like? Sentence7: There are trains departing every hour. TR5077 would get in in at 8:52, does that work for you? Sentence8: That sounds perfect. Can I get the reference number from the booking? Sentence9: I would like 4 tickets. Sentence10: Booking was successful, the total fee is 40.4 GBP payable at the station. Reference number is : WWW231NO . Is there anything else you need? Sentence11: There are several. Do you have a time you need to travel specifically? Sentence12: The train should arrive by 10:00 if at all possible. Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System