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

Ex Input:
Sentence1: What day would you like to travel? Sentence2: Yes, go ahead and book either of those for 2 people and 3 nights beginning on Tuesday. Sentence3: Can you also recommend a three star hotel that has free wifi? Sentence4: Your booking at The Gonville coming in on Tuesday for 4 days 3 nights is confirmed for a party of 2. Your reference number is : 5GCUETMP . Anything else today? Sentence5: I need a train leaving from broxbourne. Sentence6: There are two. The Gonville Hotel and The Lensfield. Both also have free parking. Would you like me to book one for you? Sentence7: Booking was successful, the total fee is 17.89 GBP payable at the station .Reference number is : X1XG5K91 . Sentence8: I am happy to help! Goodbye, I hope your trip is lovely! Sentence9: Can you book it for me? Sentence10: No. That's it. Thank you for your help. Sentence11: I would recommend TR6788 which leaves Broxbourne at 19:32 and arrives in Cambridge at 20:32. Sentence12: I would like to travel on a Tuesday from Broxbourne to Cambridge after 19:15. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I have pulled up City Stop Restaurant. What information do you need? Sentence2: I would like to book a table there for 4 peole on saturday at 19:45. and can i please get a reference number? Sentence3: Alright, thank you very much. That's all I need for now. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : OMKMNJEM . Sentence5: I am looking for information about city stop restaurant? Sentence6: You are welcome. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks, that is all the information I need. Have a great day. Sentence2: Thank you and have a great day! Sentence3: I need to book the train for 7 people. Are you able to do that for me and provide me with a reference number please? Sentence4: I'm also looking for this place called Castle Galleries? Sentence5: I need the post code please. Sentence6: No problem, enjoy your trip. :) Sentence7: Your booking was successful and your reference number is JA1FRX8K . Anything else I can help you with today? Sentence8: The postcode is cb23bj. Sentence9: I need to leave from Peterborough on Sunday. Sentence10: Okay I can book you a trip on train TR5662, leaving at 07:19 and arriving by 08:09. How many tickets would you like? Sentence11: I am looking for a train to Cambridge leaving by 13:45 Sentence12: There are many trains relevant to your search. Please tell me where you are departing from. Sentence13: Castle Galleries is a museum at unit su43, grande arcade, saint andrews street. Is there anything else you'd like to know about it? Sentence14: Ok, thanks for all your help regarding my requests. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System