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

Ex Input:
Sentence1: Yes I would. Sentence2: The phone number is 01223312112. Do you need the postcode? Sentence3: You're welcome, and you have a nice day as well! Sentence4: Can you tell me anything about cafe jello gallery? Sentence5: I think that could work please make a booking for 6 people Sentence6: There are 10 trains that day. Is there a particular time you'd like to leave or arrive? Sentence7: i would like to arrive after 2:00 in the afternoon. Sentence8: Yes, the Cafe Jello Gallery is a museum located at 13 magdalene street in the west side of town. Would you also like their phone number? Sentence9: Booking was successful! Your reference number is GXIE5O8F . You have to pay 26.4 GBP at the station. Sentence10: No, but I am looking for a train from Ely on Thursday. Sentence11: Thank you very much that is all I needed. Have a good day. Sentence12: We have the TR0813 that arrives at 11:52 on thursday. Does that work? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Let us know if you need anything else. Sentence2: Certainly, the address for Cityroomz is sleeperz hotel, station road postcode cb12tz. Is there anything else I can help you with? Sentence3: Great. Could you please tell me the entrance fee? Sentence4: im glad to have satisfied you Sentence5: I have 1 hotel and a 2 guesthouses available. Do you have a preference on the area or if it is a hotel or guesthouse? Sentence6: Thanks again. That's all I needed. Sentence7: There is no entrance fee. Sentence8: Cityroomz meets that description. Would you like to book it? Sentence9: May I please have the address and postcode for Cityroomz? Sentence10: Are there any nearby museums? Sentence11: The cambridge contemporary art museum is nearby. Sentence12: Wonderful! That is all I needed. Thank you so much! Sentence13: I would prefer a hotel that is in the centre of town and moderately priced if that helps narrow it down. Sentence14: Hi, I'm looking for a hotel, a 0 star hotel is fine as long as it includes free wifi. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System