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

[EX Q]: Sentence1: 07426688661 is the contact number, I have you in a grey Toyota. Sentence2: Great. Can you tell me where you will be traveling to and from? Sentence3: I need to get there by 11:45. Sentence4: That's perfect, thanks! Sentence5: I need to book a taxi please. Sentence6: You are welcome. Thank you for calling us. Goodbye. Sentence7: Can I help you with anything else? Sentence8: No, that's everything. Goodbye. Sentence9: I want to go from wandlebury country park to huntingdon marriott hotel Sentence10: Okay, I will need some more information from you. What time would you like to leave? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: maybe, give me the address of one please Sentence2: There are several college's in the centre. How about Saint Catharine's College? It is on King's Parade and has free admission. Sentence3: I have train TR3343 arriving at london kings cross tuesday at 7:00. Shall I book that for you? Sentence4: Hi, I'm trying to find a place to go in the centre. A college would be fun to visit! Sentence5: Where will you be departing from, and what day would you like to travel? Sentence6: Yes, I need 4 tickets please. Please send me the reference number. Sentence7: Great! I would be happy to help you find one. Are you looking for one with free admission? Sentence8: Have a nice day and thank you for contacting us. Sentence9: Your tickets have been reserved, and just to clarify, that train departs at 07:00, and arrives in London, Kings Cross at 07:51. Wouldn't want you to miss the train! Ref#: AQDCG6N8 Sentence10: I'll be departing from Cambridge, and would like to leave on Tuesday. Sentence11: Thank you. I also need a train to London Kings cross, arriving by 9 Sentence12: OK thank you that is all I needed today. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Cineworld is in the South and their number is 00872208000. Is there anything else I can help you with? Sentence2: Yes! I am leaving from Cambridge on Tuesday. You need this info. Sentence3: The price of the train is 75.10 pounds. Sentence4: Sounds great. What area is that in? And could you get me the phone number? Sentence5: What time does that train arrive? Sentence6: Alright and when would you want to leave by? Sentence7: What is the best cinema in Cambridge you can recommend? Sentence8: Would you like reservations for the train? Sentence9: Okay, I'm all done for today. Thanks, bye Sentence10: The train arrives at 23:44. Sentence11: Cineworld and Vue are both excellent. Do you prefer the south or centre of town? Sentence12: The exact area does not matter. Sentence13: How much is it? Sentence14: I also need a train. Sentence15: I am going to birmingham new street and want to leave after 21:00 Sentence16: Cineworld is located at cambridge leisure park, clifton way. Sentence17: TR5600 leaves at 21:01. Can I book a seat for you? Sentence18: I will book it for you,is there anything else I can do for you ? Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System