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

Ex Input:
Sentence1: The autumn house is a cheap guesthouse located in postcode cb58rs. The phone number is: 01223575122. Are you sure I can't help you with a reservation? Sentence2: I am unable to book you for that time. Would you like a different day? Sentence3: There are 7. Would you like to stay in a guesthouse, or a hotel? Sentence4: No thanks. I just need the price range, postcode and phone number. Sentence5: Awesome, thanks for your patience and thank you or visiting cambridge. Sentence6: I am a big fan of British food. Do you have an expensive one in the east? Sentence7: Monday just became available so I booked it before someone else does. Let me know if that won't work for you. The table will be reserved for 15 minutes. Reference number is : CAMFOFY8 Sentence8: are there any expensive restaurants? Sentence9: I need to find a place to sleep on the east side, it doesnt matter is the parking is free or not. Sentence10: How about 12:00? Sentence11: Could you try Wednesday? Sentence12: That isn't available either. Would like to try a different time of day? Sentence13: I'd recommend the Autumn House. It's a guesthouse in the east. Would you like to book a room? Sentence14: Yes the are some in the East,what type of food do you like ? Sentence15: Great!! Thank you so much. That's all I need today. Sentence16: I think a guesthouse would be more personal. Sentence17: there are no russian restaurant in the east Sentence18: The Grafton Hotel Restaurant is a British restaurant in the East area, would you like me to book it for you? Sentence19: No thank you. Could you tell me about Russian restaurants in the east? Sentence20: Yes please book it for Monday at 12:00 for 4 people please. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: There is one concert hall in town, The Man on the Moon, located at 2 norfolk street in the centre of town. Do you need more information? Sentence2: Can you make a recommendation and please provide the entrance fee, phone number, and postcode. Sentence3: Can you help me find a concert hall? Sentence4: Cafe Jello Gallery Phone is o12233289438 and is on 13 Madalene treet Sentence5: Yes, I would consider a museum. Sentence6: great, there are 7 museums in the west. Sentence7: I need a concerthall on the west area of town. Sentence8: I am sorry I have only one listing for the city center. Would you consider other attractions? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Which place is the departure site and which is the destination? Sentence2: The departure will be the hotel postcode cn21en to travel to the Junction. Sentence3: That is all, thanks. Sentence4: Enjoy your visit to the Junction! Have a great day! Sentence5: you are welcome and have a good day Sentence6: Done! You'll be picked up in a red Skoda, and the contact number is 07784377878. Can I help you with anything else? Sentence7: Ok great and what time do you prefer? Sentence8: cb21en, post code. Adress is 53-57 lensfield road. Shall I book you in? Sentence9: It is located in the south part of town at clifton way. Sentence10: The postcode for The Junction is cb17gx. Can I help you with anything else? Sentence11: The Lensfield Hotel is nice. Would you like a room? Sentence12: Yes actually I am looking for a place to stay in the epensive price range with free wifi, a 3 star rating and also free parking. Sentence13: No, but can you get me a taxi between the two places? Sentence14: Great! Can I get the postcode? Sentence15: Yes, I sure would. Can you also tell me the address and postcode? Thanks! Sentence16: Sorry, I actually want to go from the attraction to the hotel. And I want to leave the attraction vy 19:45. Book that please and give me the info. Sentence17: Nope, that will be all. Thanks and have a good day. Sentence18: I'm interested in going to The Junction during my upcoming trip to Cambridge. Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:

Answer: (A) User