Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I would like to be in the centre of town. Sentence2: You are most welcome, contact us if you need more assistance. Sentence3: Hello! I need to find a train leaving Wednesday. Sentence4: I booked it for Wednesday. Your reservation number is EQHAMTOB, is there anything else? Sentence5: Yes I will book it for you and provide a reference number Sentence6: I need one that can fit three people. I need three tickets. Sentence7: I have found two different options that fit your request. Would you like to leave at 05:29 and arrive by 06:07 or leave at 07:29 and arrive by 08:07? Sentence8: I have 5 restaurants that are Asian Oriental, do you have an area preference? Sentence9: I need to go to Cambridge from bishops stortford on wednesday and arrive by 09:15. Sentence10: I'm sorry, but we don't have any Greek restaurants in town. Would you like to try a different type of cuisine? Sentence11: That's all I need for now. Thanks for the help. Sentence12: There are 3 in the town centre. Would you like cheap or moderately priced food? Sentence13: There are 2,828 trains scheduled to travel on Wednesday. Where are you planning on departing from and where is your destination? Sentence14: I prefer to arrive by 08:07. Can you suggest a cheap greek restaurant? I'd like a reservation for 3 people at 10:00. Please provide reference numbers. Sentence15: Cheap price sounds good to me. Sentence16: Thank you. Once you provide me with the reference number that is all I need. Sentence17: I can book for 3 people for either of those trains. Is there one of the times you prefer? Sentence18: I also like Asian Oriental. Question: Who has spoken the sentence 8? (A) User (B) System
A:
Answer: (A) User