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

Ex Input:
Sentence1: I have the TR4849 train leaving Ely at 13:35 on Monday. Sentence2: How about cityroomz? It is located in the centre of the city, is moderately priced, has 0 stars, and has free wifi. I think it would be perfect ofor you! Sentence3: Perfect, could you also assist me in finding a place to stay? Sentence4: What will be my arrival time in Cambridge and what is the ticket price, please? Sentence5: You're welcome. Have a great day. Good bye. Sentence6: You are booked and your reference number is QUJQMRK7 . Can I help you with anything else? Sentence7: That is everything, thank you for your help. Sentence8: From where will you be departing? Sentence9: I'm looking for a train that goes to cambridge, leaving after 12:30 on monday Sentence10: I am leaving from Ely. Sentence11: Oh I'm not picky on the area. I definitely need free wifi, moderate price, and 0 stars though. Sentence12: That's perfect I need it booked for 8 people for 5 nights starting on Monday. Sentence13: I sure can. What area would you like to stay? Sentence14: The price is 4.40 pounds. You will arrive at 13:52. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I do not have all of that information at this time. Can I talk to you again when I know more? Sentence2: I am looking for a hotel with free parking in the North. Sentence3: Okay. Please help me book this guesthouse. Sentence4: Yes that is all right. Sentence5: Yep there are 5 guesthouses. Do you wanna just try acorn guest house? Sentence6: Are any of those 11 guesthouses? Sentence7: Does it offer free wifi? Sentence8: It's my pleasure. Have a nice trip! Sentence9: What day, number of nights, and number of people would you like to book for? Sentence10: Thank you for your help! Sentence11: Yes, it does have internet. Sentence12: There are 11 hotels that meet your needs. Would you like to narrow them down by price range? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: There are 44 attractions in the center of town. Is there a particular kind of attraction you'd be interested in? Sentence2: Can I get their phone number and address, too? I also need to book a train from Cambridge arriving by 10:15 on Friday. Sentence3: I apologize. I need to clarify that I'm looking for an entertainment type of attraction in the center of town. Sentence4: That's all I needed, thank you very much! Sentence5: Yes! The Cambridge University botanic gardens are in the centre and the entrance fee is 4 pounds. Sentence6: What trains do you have going to Bishops Stortford on Friday? Sentence7: You're very welcome. Have a lovely day. Sentence8: Are there any parks in the centre of town? Sentence9: There are 10 trains that go to Bishops Stortford, did you know what time you would like to arrive by? Sentence10: I am looking for suggestions on where to go in town, I would like it to be entertaining and in the centre. Sentence11: Tr6809 leaves Cambridge at 07:29. It has a travel time of 38 minutes and costs 10.10 pounds. Do you need any thing else today? Sentence12: The Museum of Archaelogy and Anthropology is free to enter. Would you like the address? Sentence13: Just some kind of entertainment. Sentence14: There is a nightclub called club salsa if you like to dance. Would you like more information? There are also some museums and cinemas if that sounds better. Sentence15: What is the entrance fee for the museum please. Sentence16: Thanks. Will you be able to book me that train? Sentence17: There are 3 trains that arrive before 10:15. One that arrives at 6:07, another at 8:07 and another at 10:07. Which would you prefer? Sentence18: I need to arrive by 10:15. I won't need you to book tickets for me, but the trainID, travel time, and price would be super helpful. Sentence19: There are no entertainment attractions in the centre of town in the system. Sentence20: The one for 8:07. I just need the train id, travel time, and price. No need to book it. Sentence21: The address for the botanic gardens is bateman street and the phone number is 01223336265. Sentence22: Sure thing what destination and departure are you looking for on your train? Question: Who has spoken the sentence 19? (A) User (B) System

Ex Output:

Answer: (B) System