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: Actually, I'm all set. Thank you! Bye! Sentence2: OK, great. will it be the same two people as on the train and starting on Monday? or do you have different needs for lodging? Sentence3: What is the price for that trip? Sentence4: Could you clarify if you need the reservation for 1 or 2 people please? Sentence5: Certainly, where will you be departing from? Sentence6: It look like the TR0532 is what you are looking for departing Bishops Stortford at 7:29 and arriving in Cambridge at 8:07. Would you like to book? Sentence7: The postcode for Worth House is cb41da and yes, it has internet! Sentence8: I would prefer the hotel be in the north part of town. Sentence9: I don't need to book today, thanks. Can you get me the postcode of one of them? Oh, and please make sure the one you choose has internet! Sentence10: Okay you sure you will not require a booking? Sentence11: I need a cheap hotel with free parking. Sentence12: The fare is 10.10 GBP per ticket. Sentence13: Okay let me see if I can book that for you. Sentence14: I need reservations for 2. Sentence15: Hi I am looking for a train to arrive in Cambridge by 08:15. Sentence16: Nope, same people. Sentence17: I've booked your tickets for the 7:29 train from Bishops Stortford, reference ZHT6R80S . Can you give me more information about the type of hotel you'd like? Sentence18: 1 person 5 nights please Sentence19: There are 10 total hotels, do you have a preference for area? Sentence20: I'd be happy to book that for you, what day will you be arriving on, and for how many nights? Sentence21: I'll be leaving from Bishops Stortford on Monday. Sentence22: I will go ahead an book at the Worth House. Sentence23: City centre north b and b and Worth house are both guesthouses and located in the north. Would you like me to book one for you? Sentence24: I need to make a booking for 2 people and can you find me a place to stay in the north? Question: Who has spoken the sentence 17? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: No, that's great, thanks. Sentence2: Your grey Honda is booked, and the contact number for the driver is 07817450562. Can I do anything else for you today? Sentence3: I need to actually arrive by 19:15. Sentence4: I will be departing from parkside police station. Sentence5: What time would you like to depart at? Sentence6: I'd like a taxi to the ugly duckling Sentence7: Where will you be departing from today? Sentence8: Have a nice day. Thank you for contacting us. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence2: What is the postcode there? Also, I'll need a phone number. Sentence3: I am looking to go to a museum. Sentence4: I would recommend golden house. It is a chinese restaurant at 12 Lensfield Road City Centre, postcode cb21eg, phone number 01842753771. Would you like me to book it for you? Sentence5: The address is cafe jello gallery, 13 magdalene street , is there anything else you need? Sentence6: No, thanks, I'll do that myself. You've been great, thanks for everything. Sentence7: I'm willing to go wherever the best museums are. Which would you recommend? Sentence8: Can you tell me about the gallery? What's the address? Sentence9: The cafe jello gallery is top notch. And there's no entrance fees. Or how about cambridge artworks their pretty nice as well. Both are in the west. Sentence10: The postcode is cb30af, sorry I do not have a phone number for the cafe jello gallery. Sentence11: Well then, can you give me an address? Sentence12: This gallery is located on the west side of town located at 13 magdalene street Sentence13: There are quite a few fantastic museums to choose from. Is there a specific area you are looking for? Sentence14: Yes, I need information on a cheap restaurant in the centre of the city...whichever you recommend. Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System