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

Sentence1: My destination is cambridge. Sentence2: What day will you be traveling? Sentence3: Hey. I'm looking for a train from stansted airport. Sentence4: What is your destination ? Sentence5: I plan to go on tuesday. Sentence6: How many tickets would you like? Sentence7: There are trains departing every hour. TR5077 would get in in at 8:52, does that work for you? Sentence8: That sounds perfect. Can I get the reference number from the booking? Sentence9: I would like 4 tickets. Sentence10: Booking was successful, the total fee is 40.4 GBP payable at the station. Reference number is : WWW231NO . Is there anything else you need? Sentence11: There are several. Do you have a time you need to travel specifically? Sentence12: The train should arrive by 10:00 if at all possible. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: I'm looking for a restaurant in the west side that's in the moderate price range. Sentence2: The Italian restaurant Prezzo sounds good. Sentence3: I have three listings,one for british,indian,italian. Are any of those types of food you are looking for? Sentence4: You're welcome. Have a great day! Sentence5: Are any of them available for 8 people at 19:00 on Wednesday? Sentence6: There are two restaurants available the Indian restaurant Meghna and the Italian restaurant Prezzo 8 people at 19:00 on Wednesday. Which one do you prefer? Sentence7: Booking was successful, table will be reserved for 15 mins. Reference number is : GVOKLI1A . Anything else? Sentence8: nope thats it. thanks Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: Are there any multiple sports in the centre of town? Sentence2: No thanks, that is all the information I need. Thank you for your time. Sentence3: Yes, I need the entrance fee and phone number? Sentence4: There are several theaters in the town centre. What address are you staying at so I can find the closest one to you? Sentence5: Sorry, not in the centre. Should I check another area? Sentence6: I think the Mumford Theatre is great! Would you like more information? Sentence7: I'm happy to be of help. Goodbye! Sentence8: I'm not sure yet. Which one do you recommend? Sentence9: They don't have the entrance fee posted but their phone number is 08451962320. Is there anything else I can assist you with? Sentence10: Well, how about a theatre then? I need the phone number. Question: Who has spoken the sentence 2? (A) User (B) System

Answer: (A) User