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

Sentence1: royal spice serves indian food in the cheap price range and is in the North part of town. Sentence2: royal spice's address is Victoria Avenue Chesterton Sentence3: What kind of food would like? Sentence4: Da vinci pizzeria serves Italian food in the cheap price range and is in the North part of town. Sentence5: Are there any other options? Sentence6: That sounds great. May I have their address please? Sentence7: I am looking for a cheap restaurant that is in the north part of town. Sentence8: enjoy! Sentence9: Thank you very much , bye bye Sentence10: Any Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: I am interested in finding a great nightclub to take a friend to. Sentence2: I've booked a table for 5 on Monday at 17:30. The reference number is MUBJSMLX . Is there anything else I can help you with? Sentence3: I have found 4 restaurants. Do you have a preference of area? If not that Kohinoor in the centre is very popular. Sentence4: Great that was all that I needed today, thank you. Sentence5: Cambridge has lots of great options. Club Salsa is quite popular and is in the centre. Sentence6: I have arranged for a black Honda to have you arrive at Kohinoor by 17:30. The contact number for the Taxi is 07997403672. Is there something else I can assist with? Sentence7: That sounds great. How much is the entrance fee? Sentence8: Perfect, can you also help me find a place to eat that is cheap and serves Indian food? We are looking to accommodate 5 people at 17:30 on Monday. Sentence9: Just book it on Monday please, for 5 at 17:30. Sentence10: Perhaps their phone number? Sentence11: The phone number is 07782218745. Sentence12: The Club Salsa entry fee is 5 pounds. Can I help with anything else? Sentence13: You're welcome! Have a good day. Sentence14: We need a taxi from Club Salsa that will get us to Kohinoor in time to eat. Can you make that happen? Question: Who has spoken the sentence 13? (A) User (B) System
Answer: (B) System

Sentence1: And what is your destination station? Sentence2: Gladly. It's located in the centre and it serves modern European food. Would you like me to make a reservation for you? Sentence3: Yes please, can I get a reservation for Friday at 21:00 for 3 people? Sentence4: I am also looking for de luca cucina and bar, can you help me locate it? Sentence5: I need to arrive by 5pm. Sentence6: I need a train that leaves london kings cross on friday Sentence7: I'm happy we could be of service, and enjoy your time in Cambridge! Sentence8: No thank you, that is everything. Sentence9: That's physically impossible. You want to leave after 17:30 which is 5:30 pm and arrive at 5 pm? Try that again please. Sentence10: There are 3 trains leaving after 17:30 on Friday, by what time would you like to arrive in Cambridge? Sentence11: the TR9139 leaves at 19:17 and arrives by 20:08 Sentence12: I need to arrive at Cambridge. I want the train to leave after 17:30. Sentence13: Great choice! Your booking was successful. Here is your reference number 8W4EZQ1E . Anything else I can help you with? Sentence14: Can I get the train ID and arrival time for the first train after 17:30 on Friday, going from Kings Cross to Cambridge? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: (B) System