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

Ex Input:
Sentence1: Sorry, actually, can you please just send me their phone number? Sentence2: How about visiting one of our many architecturally important churches? May I offer you a list? Sentence3: I need to find places to go. Can you aid me? Sentence4: Thank you for contacting us and have a nice day. Sentence5: I wouldn't know this. Sentence6: Thanks, i'm also looking for a place to stay with free parking. Sentence7: I recommend the allenbell. It's a cheap guesthouse that is located in the east like your attraction is. It has free parking and wifi. Shall I book for you? Sentence8: I'd like you to book the allenbell. Before I do can you tell me how far is it from the theater? Sentence9: I need a hotel or guesthouse with 4 stars that has free wifi, can you make a recommendation based on that? Sentence10: I had no preference going into this, but lets try east since the museum is there. Sentence11: Thank you so much for your help. That is all that I need today. Sentence12: There are 4 museums there. The cambridge artworks, gallery at twelve a high street, and saint barnabas press gallery are all free. The cambridge museum of technology is 5 pounds. Sentence13: No but quality matters, are any of them 4 stars? Sentence14: I'd like a guesthouse, 4 stars. Area doesn't really matter. Can you recommend anything? Sentence15: There are about 6 places you can choose. Are you wanting a specific price range? Sentence16: I can book that for you but need to know how many people, when and how many nights. Sentence17: there are 16 available. the one that is a beautiful place and is really inexpensive is the limehouse guesthouse. do you need a room? Sentence18: How about a museum Sentence19: There are a couple museums, some entertainment venues, and a boat. Do any of these interest you? Sentence20: No booking, just get me the phone number. Sentence21: There are 10 different entries for that area. Are you looking for something specific? Sentence22: What attractions are in the East ? Sentence23: The Cambridge Artworks sounds good. Can I get the address and phone number please? Sentence24: Yes there are five hotels in the area that are 4 star hotels. Would you like me to list them for you? Sentence25: No problem at all. The phone number for Allenbell is 01223210353. Sentence26: I should very much like to explore the East, what is located there? Sentence27: The cambridge artworks is at 5 greens road, cb13ef. The number there is 01223902168. Sentence28: What area of town would you like to stay in? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes, both the Hobsons House and the college are both in the west part of town. Would you like information for the college? Sentence2: Booking completed! Your ca is a black lexus and the contact number is 07301130189 Sentence3: It doesn't matter. Sentence4: Queens college is quite pretty. It is on Silver street in the west. Sentence5: Perfect! That's all I need today, thank you! Sentence6: No, I need something in the western part of town. Sentence7: There are lots of churches in the centre of town. Would you like to visit one? Sentence8: What would you recommend? I don't have a preference. Sentence9: There are many colleges and museums on the west side. There is also one entertainment center. Which do you prefer? Sentence10: Do you know when you want to get there by? Sentence11: You are very welcome. Glad I could help. Have a nice day. Sentence12: Is it near the Hobsons House hotel? Sentence13: Actually, the college sounds great. I don't need more info. But I would love a taxi to get me from Queens College to Hobsons House. I want to leave by 16:30. Sentence14: Hello. I'm looking for a few good places to see in town on my next visit to cambridge. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: The west is home to 7 museums. Entrance fees are either free or 3.50 pounds. I personally recommend kettle's yard. Sentence2: Do you have any other constraints, such as location or price range? Sentence3: No that's all I need. Have a good night. Sentence4: Sure, that sounds fine, as long as you're sure it has free parking. Sentence5: i am looking for a place to stay. The hotel doesn't need to include internet and should include free parking. Sentence6: Alexander bed and Breakfast - 56 saint barnabas road cb12de phone - 01223525725 Sentence7: Thank you. I'd also like to find a cinema in the west side of town. Do you know of any in that area? Sentence8: And the reference number ? Sentence9: Kettles Yard is located on Castle Street. Is there anything else I can help you with? Sentence10: It does offer free parking. Would you like me to book it for you? Sentence11: Okay, I need to know when you would like to leave the hotel and when you'd like to arrive at the museum please. Sentence12: I'm sorry but there aren't any cinemas in the west. Would you like to try another location. Sentence13: We still have a lot of great options to choose from. Can I recommend the Alexander Bed and Breakfast in the centre of town? Sentence14: Let's try for a museum in the west instead Sentence15: Yes. I would like a taxi from the hotel to the museum please. Sentence16: The location and price range don't matter to me. I want a guesthouse with 4 stars. Sentence17: Thank you for using our service. Sentence18: Your vehicle is a black volvo and they cbr at 07186950865 any other questions? Sentence19: I'm sorry about that. Your reference number is 4PSP6FIB . Sentence20: book for 1 people for 5 nights starting Thursday and get me the reference number please Sentence21: That works, can you please provide the address for me? Sentence22: I'd like to leave the hotel by 10:30. Question: Who has spoken the sentence 19? (A) User (B) System

Ex Output:

Answer: (B) System