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

Ex Input:
Sentence1: Kymmoy is a great Asian Oriental place in the center of town, but it's expensive. Sentence2: Is there a Oriental restaurant in the City Centre that is in the expensive price range? Sentence3: I have 2 matches. Do you have a type preference? Sentence4: Thanks. I'm also wanting to see if there's someplace to get polynesian food in the centre of town. Sentence5: That's all I will need. Thank you! Sentence6: Where is it located? Sentence7: Please help me find a hotel to stay at in the centre that has a 4 star rating. Thanks! Sentence8: Thank you for using the Cambridge TownInfo centre. Please have a pleasant day. Sentence9: There are no Polynesian restaurants in the centre. Sentence10: I want an expensive place with free wifi. Sentence11: Its location is on Regent Street. Sentence12: That narrows it down to one choice, the University Arms Hotel. It meets all of your requirements, plus has parking. Would you like me to check availability? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: anytime after 19:00 Sentence2: Yes I am looking for a attraction called holy trinity church. Sentence3: Do you have the address of holy trinity church? Sentence4: I would like to leave on Saturday. Sentence5: Yes. I would like to book for 3 people and will need a reference number. Sentence6: That's all I need. Thank you. Sentence7: Holy Trinity Church is located on Market St in postcode cb23nz. It's free to get in. Did you have any further questions? Sentence8: Thank you. Can you help me find a train going to Leicester? Sentence9: I have a train that leaves at 19:21. What day would you like to travel? Sentence10: Yes, when would you like to leave? Sentence11: I booked you 3 seats on TR4708 leaving Cambridge on Saturday at 20:21, the total fee is 90.72 GBP and your reference number is FVMA8AAO . Sentence12: TR4708 departs cambridge at 19:21 and arrives at 21:06. Can I book that for you? Sentence13: I'm glad that I can be of help please have a great trip. Sentence14: Yes it's on Market street. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User