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

Sentence1: Galleria serves European food and is in the centre part of town and has a moderate price range. Sentence2: No restaurants serving australasian food can be found. May I find another type restaurant for you? Sentence3: Looking for someone that serves Australasian food? Sentence4: How about European food? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: How many tickets will you be needing today? Sentence2: That is all, thanks. Sentence3: I booked 4 tickets on train TR4187, your reference number is LXZWA3Q8 . A total of 66.4 GBP is payable at the station, can I help you with anything else? Sentence4: All right, the TR4187 leaves at 13:59 and arrives at 15:27. Would you like me to book that for you? Sentence5: I have some moderate priced hotels in the north and center. Do you have a location preference? Sentence6: Booking was successful. Reference number is : P39PYOK0 . Can I help you with anything else? Sentence7: Where will you be traveling from, and what day would you like to travel? Sentence8: Yes, please book it for me. Sentence9: I would like a moderate price hotel in Cambridge. Sentence10: I also need info on a train. It should arrive in london liverpool street by 16:30. Sentence11: I need 4 tickets, and the price and train ID Sentence12: I will be departing Cambridge on Friday. Sentence13: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence14: 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? Sentence15: I will work on that and be back with you in a moment. Sentence16: Sure. What is your price range and what side of town will you be interested in? Sentence17: Hi, I am planning a trip and could use some advice on a place to stay. Sentence18: I'm not concerned about the area but it doesn't need to include internet. Sentence19: You're welcome, let me know if I can assist with anything else. Sentence20: Let me know when your break is over. I'll need a reference number please. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Yes there are two listings, one for italian and one for indian food,are those the types of food you are looking for? Sentence2: How about a different restaurant in the same area and price range? Sentence3: I don't care, as long as it's cheap it's fine. Which do you recommend? Sentence4: I need help finding a very inexpensive place to eat located in the north, can you help me? Sentence5: Can I recommend royal spice located on Victoria Avenue Chesterton? Would you like to make a booking there? Sentence6: Thank you so much that is all I need. Sentence7: Yes sure I got you into Da Vinci Pizzeria and your reference number is IQA12P3U . Sentence8: Yes, I would like a table for 1 at 18:00 on Friday night. Sentence9: I'm sorry, we were not able to book that restaurant. How about da vinci pizzeria located at 20 Milton Road Chesterton? Sentence10: Thank you, that was all I needed. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System