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: Great. Thank you. I'm also looking for a moderately priced, 4 star hotel. Sentence2: Where are you leaving from? And what day do you need to leave? Sentence3: We have three trains arriving by 10:30. What time would you like to leave? Sentence4: I would say you should leave by 09:35 Sentence5: There are 11 choices. Picking an area of town will help to narrow it down. Sentence6: Unfortunately there aren't any hotels that match that criteria. They are all guesthouses. Sentence7: What time would I need to leave in order to arrive by 10:30? Sentence8: I need to get to Cambridge by 10:30, is it possible to do that by train? Sentence9: Booking was successful for the a and b guest house. Your reference number is : 1HPJ1F1W . Do you require any further assistance? Sentence10: I'll be leaving from Ely on Monday. Sentence11: There are many to choose from. Do you have a preferred area? Sentence12: TR2987, fare is 4.40 pounds and your trip will be 17 minutes. Sentence13: I don't have a preferred area, but I am looking for a hotel, not a guesthouse. Does that narrow it down? Sentence14: no that will be all thanks so much. Sentence15: Is there anything else? Sentence16: Not, that is all I will need today. Thanks. Sentence17: Ok can i get the train ID and price? Sentence18: Ok, a guesthouse will have to do. How many choices do I have? Sentence19: You're very welcome. Have a good day. Sentence20: Please pick the best option. I need a room for 8, for two nights and starting Monday. Question: Who has spoken the sentence 8? (A) User (B) System
A:
Answer: (A) User