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

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: I'm looking for a nice Italian restaurant. Nothing too expensive...like mid range? Sentence2: Nope, I think that will do it. Thank you so much! Sentence3: Okay, I have booked you at Pizza Express with reference number NK86VOJY . May I help with anything else? Sentence4: I don't care about the area. Could you book a table for 5 at 12:30 on Sunday? Sentence5: I have listing for 5 different ones,can I get what area you are looking for? Sentence6: You are welcome. Have a good day. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Great can you give me the phone number? Sentence2: We have several options. Any specific area? Sentence3: Their phone number is 01223355017. Sentence4: I am looking for information in Cambridge Sentence5: Do you have any recommendations? Sentence6: Certainly. What can I help you with today? Sentence7: Thank you for using our services. Please feel free to call on us again if we can be of help planning your trip to Cambridge. Sentence8: I don't really care where. But, it does need free parking. I'm thinking I may need free wifi also. Is there anything? Sentence9: thank you that will be all Sentence10: I recommend the lensfield hotel located on the south side of town at 53-57 lensfield road. Do you need anymore information? Sentence11: I have five options available. Would you prefer a hotel or guesthouse? Sentence12: I'm looking for places to stay that has 3 stars Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System