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

Input: Consider Input: Sentence1: Can you verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: TR7966 departs at 5:40. Sentence2: Your booking was successful. Reference number is : M0ZETXSZ . Is there anything else I can help you with? Sentence3: There are 33 different lodging options in town. Do you have a preference for type, area, pricerange, or star rating? Sentence4: Type doesn't matter. I want it to be cheap and in the north. With a 4 star rating. Sentence5: Great. Now I need a place to stay. Sentence6: The worth house is located in the north and cheap, would you like a reservation? Sentence7: Yes, that works. Can I get the train id number and the price please? Sentence8: I need a train to stansted airport from cambridge please. Sentence9: What area and price range are you looking for? Sentence10: What is the departure time of that also please? Sentence11: That's great. Have a safe trip. goodbye. Sentence12: It should be a 4 star hotel. Sentence13: Ok, what day will you be traveling? Sentence14: the train Number is TR7966, it will cost you 10.10 pounds. Sentence15: No thank you. I am all set. Sentence16: Is it rated 4 stars? Sentence17: Yes it is a four star. It also has free internet and free parking. When were you planning your stay? Sentence18: book it for 7 people and 5 nights starting from saturday Sentence19: Thursday. I need to arrive by 12:45. Sentence20: The closest to thing I can find is a train leaving at 5:40 on Thursday. It arrives at Stansted Airport at 6:08. Is this okay? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I'm glad I could be of help. Please contact us again, anytime. Good bye. Sentence2: Hi! I'm looking for a restaurant called Stazione Restaurant and Coffee Bar. Sentence3: Thanks, I am also looking for a place to stay. Sentence4: There are 9 options here. What area would you prefer? Sentence5: Is there a guesthouse in the center? It would be more convenient near the restaurant. Sentence6: Okay the booking was successful. Reference number is VKKM9KO1 . Sentence7: I will also need a taxi to commute between those two places. Could you book me one. Sentence8: Sure, it's in the centre of town. Do you want to book a table there? Sentence9: Sunday at 19:00 please. Sentence10: Please book a table for 4 people. Sentence11: Great, I can help with that. Do you have an area and price range you want? Sentence12: No, that is all I need today. Thanks again for all your help! You've been wonderful! Sentence13: Sorry forget area, that doesnt matter. Just choose the first option out of the previous 9 you mentioned and book it with the specifications I mentioned earlier. Sentence14: Thank you for putting up with me! Sentence15: The Acorn Guest House meets your criteria. Should I book it for you? Sentence16: I don't have any guesthouses in that area meeting your requirements. Would you like me to check in a different area? Sentence17: It's been my pleasure. Can help with something else? Sentence18: Yes. I need it booked for 4 people on sunday and for 2 nights Sentence19: in the type of Guesthouse, 4 star rating in the moderate price range, and free parking, i want to book that for the same 7 people, for 2 nights Sunday please Sentence20: Sure, I can do that. What day and time would you like me to book? Sentence21: I have booked a white lexus that will get you to the restaurant by 19:00. Phone number is 07132308667. Sentence22: I have booked rooms for 4 for 2 nights starting Sunday and the Acorn Guest House. Your reference number is 7R08F7KY . Is there anything else today? Question: Who has spoken the sentence 2? (A) User (B) System


Output: Answer: (A) User