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

[EX Q]: Sentence1: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: That is all, thank you, goodbye. Sentence2: Is there anything else we can help you with? Sentence3: Goodbye. Sentence4: Ok. Thanks. Sentence5: I am looking for a restaurant in the south part of town and serving portuguese food. What is the address and phone number? Sentence6: Nandos is a portuguese restaurant in the south part of town. Their address is Cambridge Leisure Park Clifton Way and their phone number is 01223 327908 Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Kohinoor is in the centre and serves Indian food. Would you like me to make a reservation? Sentence2: That sounds good. Can you book me a table for 5 at 12 on Thursday? Sentence3: Let me think about that. Can you help me book a 4 star hotel? Sentence4: Sure! Bedouin is african food located in the centre. Would that do? Sentence5: May I recommend the gandhi in the centre? It fits your criteria. Sentence6: Let me think about that. What are some good local restaurants? Sentence7: Can you help me book a 1 star hotel that has free parking please? Sentence8: Arrival by the booked time at the restaurant. Sentence9: Yes. I'd like to reserve a table for 5 on Thursday at 12:00. Sentence10: What time would you like me to schedule the taxi for? Sentence11: Ok your all set! A yellow BMW will be picking you up a few minutes before your reservation at the restaurant. Contact number is 07785034458. Anything else? Sentence12: I'm sorry, they don't have tables available. Would you like to try another day or time? Sentence13: Yes I found 4 star hotel,do you want me to make reservation? Sentence14: I would like to get a taxi between the hotel and the restaurant. Sentence15: No that will be all thank you Sentence16: I'm sorry they are booked would you like to try another time? Sentence17: You're welcome. Have a great day. Sentence18: Is there another restaurant in the area? Sentence19: There are over 100 restaurants in the city. Do you have a certain type of food in mind? Sentence20: I am sorry there are no 1 star hotels in any area,can I get a price range and area please? Sentence21: Do they have internet access and can you tell me their price range and postcode? Sentence22: Yes, the University Arms Hotel has internet access. It is expensive, and its postcode is cb21ad. Would you like to book it? Sentence23: No, I don't. Surprise me! Sentence24: No, that's ok. I am also looking for a restaurant that serves indian food in the cheap price range. Sentence25: Are you sure there isn't an indian restaurant available on Thursday at 12:00 in the centre? Would you double check that for me again? Sentence26: I was able to book kohinoor, reference number is T8TBNX3R . Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]:
Answer: (A) User