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

Ex Input:
Sentence1: I have a train leaving at 18:11. Will that do? Sentence2: You're welcome. Have a nice day. Sentence3: You train has been booked. Total fee is 19.6 GBP which is payable at the station. Your reference number is 5PVB9XYJ . Sentence4: Arrival time does not matter, just leave after 17:30 Sentence5: Milton Country Park is in the north and has free admission. Sentence6: Is there a time you would liek to arrive by? Sentence7: Hello, I'm looking for a place to go in the north. Could you suggest some places? Sentence8: That would work. Can you book that please? Sentence9: Perfect! That is all I needed. Thank you for the help. Goodbye! Sentence10: I need to book for two people and I need the reference number. Sentence11: Can I get the phone number please? Sentence12: Absolutely. Their phone number is 01223420060. Is there anything else I can assist you with? Sentence13: I'm leaving Kings Lynn on Wednesday. Sentence14: Yea I also need a train that goes to cambridge and should leave after 17:30. Sentence15: How many people would you like to book? Sentence16: What day will you be traveling, and where would you like to depart from? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: What is the address and postcode? Sentence2: That's all I need. Thanks, good bye. Sentence3: The address is Parkside, Cambridge and the postcode is CB11JG. Sentence4: The telephone number for the Parkside Police is 01223358966. Sentence5: Glad I could be of service. Sentence6: I'm looking for a the Parkside police station. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: There are two- one in the south and one in the centre. Which would you like to visit? Sentence2: I would like a train going to cambridge from leicester in the morning. Can you book a seat for me and let me know the reservation number? Sentence3: Booking was successful, the total fee is 151.19 GBP payable at the station. Your reference number is : MRTSNQMU . Sentence4: Thank you so much for the information. I will call them. Have a good day. Sentence5: I need to arrive by 10 am please on a Tuesday. Sentence6: Thank you for contacting Cambridge TownInfo Centre. Have a great day! Sentence7: Cineworld Cinema is located in postcode cb17dy. The phone number is 00872208000 and you'll have to call them directly for entrance fee information. Sentence8: There are trains that leave at 9 minutes past the hour, every hour, all morning. What time would you like to leave? Sentence9: How about train 4734? It arrives in cambridge at 09:54. Sentence10: Anytime, happy to help. Sentence11: Yeah you are very welcome. Sentence12: I would like the cinema in the south please. I need the phone number, entrance fee, and postcode. Sentence13: I'm also looking for a cinema to visit? Sentence14: Sounds good. I need 4 tickets. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User