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

Ex Input:
Sentence1: Howdy, I'm looking for a place to stay. I don't care about internet. Sentence2: I booked you at city centre north b and b. Your reference number is Y87Q565O . Do you need anything else? Sentence3: How about the worth house? It is a 4 star guesthouse and has free internet and free parking. Sentence4: You are so welcome. Enjoy your stay in Cambridge. Sentence5: Would you like me to book it for you? Sentence6: There are 33 hotels in Cambridge. What price range would you like, and what area? Sentence7: Yes and make it for Friday for 2 days, and 2 people. Sentence8: yes I like that one with the free wifi. Sentence9: I would like a cheap hotel in the north please. Sentence10: Thank you so much for your help. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: It looks like there are hourly trains starting at 5:09. Did you have a particular day and time in mind? Sentence2: Thanks for the help. Sentence3: Will you train arriving at 07:54 work ok for you? Sentence4: Yes I need it booked for 2 people please. Sentence5: Unfortunately, there are no other Italian restaurants in the east. Would you like me to find you one in another area? Sentence6: Is the pizza hut in the moderate price range? Sentence7: I've successfully booked 2 tickets for you, the reference number is 9FE8N16G . Sentence8: I am looking for an Italian restaurant in the east. Sentence9: Pizza hut fen ditton matches your description. Sentence10: I guess it'll have to do. Can you book us a table for 2 on Wednesday at 14:00 please? Sentence11: Uh, no pizza hut's please. Something more classy please. Sentence12: Absolutely! To start, let me get more details. What are your desired departure and arrival cities? Sentence13: Thanks so much! Can you help me with train tickets too? Sentence14: Yes, it is. Should I book it for you? Sentence15: Yes, I'd like to book the train for Wednesday and I want to arrive in Cambridge by 08:30. Sentence16: Booking was successful. The table will be reserved for 15 minutes.Reference number is : H4BTTI6P . Sentence17: The train should go to cambridge and should depart from leicester. Sentence18: Have a great day! Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Sure. Do you have an area or price range in mind? Sentence2: I don't care about price range, actually. Sentence3: There are 202 entries, can you please be more specific? Sentence4: Anytime after 21:45 is good. Sentence5: I have train TR8149 leaving at 22:09,is that okay? Sentence6: I have found a train and a room that meets your specifications.It leaves at 6:09 am and travel time is 105 minutes. Sentence7: No, but parking is a necessity. Sentence8: What time would you like to leave? Sentence9: i found 10 places to stay that match your criteria. to narrow it down, which price range would you like? Sentence10: Okay, I guess that would be quite a lot of typing. How about this: I need a train leaving from Leicester sometime after 21:45 on Thursday. Sentence11: I'd prefer a guesthouse with free wifi. Can you find one in the north? Sentence12: List all thursday train times heading to cambridge. Sentence13: It is 37.80 pounds and travel time is 105 minutes. Do you need anything else? Sentence14: That is fine. Can you give me the price and travel time, please? Sentence15: I also need to find a place to stay. Sentence16: do you have specifications about star rating? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System