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

[Q]: Sentence1: Don't worry, I should be able to help you. Do you know which station you'll be leaving from or going to? Sentence2: What is your destination? Sentence3: Hi, I am trying to plan a trip and need some help with a train. I'm not familiar with trains at all unfortunately. Sentence4: I'm departing from leicester and I need to leave on friday. Thank you for helping! Sentence5: I also need a place to stay. Sentence6: 11 pm and I want it for three people Sentence7: I'm going to Cambridge. Sentence8: We have many great places to stay. What area would you like and do you have a price range? Sentence9: Is there a time you would like to arrive by? Sentence10: TR6539 will arrive by 22:54. Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is IE5RK2IG . Do you need anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: How about an expensive restaurant that serves British food? Sentence2: Cineworld sounds perfect. What's their postal code? Sentence3: The postal code is cb17dy. Can I get you anything else? Sentence4: There are six expensive British restaurants in Cambridge. Do you have a preferred section of town? Sentence5: Have a good time! Sentence6: It's all new to me. Could you recommend one? Sentence7: Sure thing, we have the cineworld cinema located at Cambridge leisure park, Clifton way. Sentence8: Absolutely, I recommend the Cambridge Chop House at 1 Kings Parade in the centre of town. This is a highly recommended British experience by locals and tourists a-like. Sentence9: No, that'll be all. Thank you for all of your help today. Sentence10: I am sorry but there are no restaurants matching your requests. Would you like me to search for a different food type? Sentence11: Great. Could you also help me find a cinema in the south of town? Sentence12: Hello, I am trying to locate a restaurant that serves northern European food, and I would prefer a more elegant setting. Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I don't need an attraction. I am done for now. Thank you. Sentence2: I will book it for you,is there anything else I can do for you ? Sentence3: 12:15 on Sunday for 2 people. Sentence4: Okay, have a great time during your stay! Sentence5: Booking at La Tasca was successful. Your reference number is XV1087FK . What type of attraction are you interested in? Sentence6: I need a moderately prices two start hotel in the north with wifi. Can you help? Sentence7: How about La Tasca that serves spanish food and is in the moderate price range located in the centre of town? Sentence8: Would you need parking? Sentence9: Yes. I need the reference number and would like to know of some places to visit in the same area. Sentence10: What time would you like your reservation for and for how many people? We will work on your attraction once we get the restaurant booked. Sentence11: No. I just misspoke. I'm looking for a moderately priced Spanish restaurant. Sentence12: I would like a table on Sunday. Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System