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

Sentence1: I have two indian restaurants in the east, and one each in the north and west. Where do you want to dine? Sentence2: I've successfully booked your table. The reference number is GK41EYSD . Sentence3: I would like to go to a nice nightclub Sentence4: I need a restaurant that serves Indian food in the moderate price range Sentence5: Yes. I would like a reservation for 1 person at 13:15 on Thursday. Sentence6: No thank you, that is everything that I need. Sentence7: We have ballare that's night, it's in the city centre. Sentence8: Okay, what is the address and entrance fee for it? Sentence9: Thank you and enjoy your stay. Sentence10: Ballare is Heidelberg Gardens, Lion Yard, postcode cb23na and the entrance fee is 5 pounds. Is there anything else I can help you with? Sentence11: I am also going to need a taxi that goes from Ballare to Meghan and gets me to Meghan by 13:15 for my reservation. Sentence12: I would like the one in the west. Sentence13: OK, I have a grey skoda taxi booked for you. The Contact number is 07058412849. Is there anything else I can help with today? . Sentence14: Meghan is in that area and serves Indian food would you like to make a reservation Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

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: Thank you. I am also going to need train information. Sentence2: No not at this time. I would just like the train ID for that train. Sentence3: Prezzo is located at 21 - 24 Northampton Road. The post code is cb30ad. You can reach them at 01799521260. Sentence4: That's all, Thank you so much. Sentence5: Good eve! I'm looking for a nice place to have a spot of afternoon tea. Sentence6: welcome and have a great day Sentence7: Have a nice day. Sentence8: I need to get the phone number, address, and postcode. Sentence9: Okay thank you for calling. Sentence10: Is there anything else I can help you with today? Sentence11: I'm sorry, I didn't get any matching results. Is there any other food type you would like me to look for? Sentence12: There is one Italian restaurant in that area. Sentence13: There are actually two it looks like: Prezzo and La Margherita. Sentence14: I would like to leave on Thursday. Sentence15: Of course, what train information may I get for you today? Sentence16: sorry we got none. Sentence17: Could you try Italian then? Sentence18: Can I get the information for Prezzo? Sentence19: What information can I get for you? Sentence20: No, I would like afternoon tea in the west. Sentence21: What day will you be traveling, please? Sentence22: The train id is TR1704. Sentence23: Okay thanks for calling. Sentence24: I have a train that departs at 10:11. Would you like to book it? Sentence25: What is the name? Sentence26: I need a train to leave after 9:30 from Kings Lynn departing for Cambridge on Thursday. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System