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

Sentence1: I have pulled up City Stop Restaurant. What information do you need? Sentence2: I would like to book a table there for 4 peole on saturday at 19:45. and can i please get a reference number? Sentence3: Alright, thank you very much. That's all I need for now. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : OMKMNJEM . Sentence5: I am looking for information about city stop restaurant? Sentence6: You are welcome. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: No, surprise me. I will need the address and the area, though. Sentence2: I'll need one from leicester to cambridge on saturday, leaving after 16:30 Sentence3: No thanks, that will be all. Sentence4: Is there anything else I can help you with today? Sentence5: I don't need a reservation, I just need the address and the area. Sentence6: Alright. Thanks for using our service and have a nice day. Goodbye. Sentence7: It is the centre area and its address is Free School Lane City Centre Sentence8: Good afternoon! I'd like to visit an expensive european restaurant. Will you help me find one? Sentence9: Okay. Thank you. Sentence10: The train arrives at 18:54 and costs 30.24 pounds. Sentence11: Eraina is a very nice restaurant in the centre. How many in your party? And what day and time should I make your reservation for? Sentence12: What time does it arrive and the price? Sentence13: Where would you like to depart and arrive? Sentence14: Yes there are 5 restaurants that meet your requirements. Do you have a part of town or type of food you prefer? Sentence15: Great,I also need information on getting a train. Sentence16: I have a train for you that leaves at 17:09. Would you like me to book it? Question: Who has spoken the sentence 14? (A) User (B) System
Answer: (A) User

Sentence1: Thank you for contacting Cambridge TownInfo centre. Have a nice day! Sentence2: There are 33 expensive restaurants in the centre of town. Is there a specific type of food you would like? Sentence3: Can you help me find and insanely expensive restaurant located in the centre of town please? Sentence4: That would be perfect! Can I have a reference number for the train? Sentence5: OK. Can you give me their address and phone number? Sentence6: I'm sorry I was unable to find a fusion restaurant. Would you like to try another type of food? Sentence7: TR8494 leaves Cambridge at 13:11 and arrives by 13:58, will this suit your needs? Sentence8: When would you like to travel? Sentence9: You are more than welcome! Sentence10: I have trains departing as early as 05:11 in the morning and as late as 23:11 in the evening. Any time preferences? Sentence11: I want to take a train from Cambridge to Kings Lynn. Sentence12: I'll have to think about it, but thank you. Sentence13: Booking was successful, the total fee is 49 GBP payable at the station . Reference number is : JCZKJYT9 . Can I help with anything else? Sentence14: It will be on Friday. Sentence15: We have several. Do you have a preferred arrival time? Sentence16: I have two expensive mediterranean restaurants in the center. May I recommend shiraz restaurant for you? Sentence17: Yeah, so that restaurant. I want something that serves fusion if possible. Sentence18: Actually, sorry I got ahead of myself. I still want help booking a train that goes to kings lynn on friday after 13:00. I want to book for 5 people. Sentence19: I have train TR8494 that leaves at 13:11 would that work for you? Sentence20: I want one that leaves after 13:00 Sentence21: No, I need to leave after 13:00 Sentence22: That's all I need, thank you! Sentence23: Their phone number is 01223307581, and their address is 84 Regent Street City Centre. Would you like me to make a reservation? Sentence24: Yes please try mediterranean food. Question: Who has spoken the sentence 22? (A) User (B) System

Answer: (A) User