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

[Q]: Sentence1: You are very welcome. Goodbye. Sentence2: I am looking for an expensive restaurant in the east part of town. Sentence3: Is there anything else? Sentence4: What is the phone number for Yu Garden? Sentence5: yu garden is on the east side, would you like the phone number? Sentence6: The phone number for Yu Garden is 01223 248882. May I help you with anything else? Sentence7: No, I think that's it. Thank you for your help. Sentence8: I have found several. Would you like British, Indian, gastropub, or Chinese? Sentence9: There are no other types of expensive restaurants in the east, would you like to try another area? Sentence10: Is there another chinese restaurant in the east? Sentence11: Yu Garden is the only Chinese restaurant on the east side of town in the expensive price range. Sentence12: No, that's okay. What Chinese restaurants are there on the east side? Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Yes try 15:30 on saturday and need a reference number thank you. Sentence2: I'd be happy to help you find something. Are you looking for something in town centre? There are cinemas, colleges, concert halls just to name a few. Sentence3: I'd love to try a local restaurant Sentence4: Just do what I say! I don't care what you choose! Give me the necessary information too. Then, get me a restaurant in the east that's expensive north indian food Sentence5: How about expensive restaurants that serve Indian food in the same area? Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MKRUJ1BR . Is there anything else I can do for you? Sentence7: I apologize but I was not able to book for that time. Would you like me to try another time slot? Sentence8: Try the Cambridge Museum of Technology which is a museum. The entrance fee is 5 pounds and postcode is cb58ld. There are no expensive North Indian restaurants in the east. Sentence9: First, I need an attraction in the east. Can you choose one and get me the entrance fee, postcode, and attraction type? Then I'd like an expensive restaurant in the east. Sentence10: I'm sorry, that's a lot of information for just one response. There are 10 attractions in the east - do you care what sort? Sentence11: We are happy to help. Thank you for using our service. Have a great day! Sentence12: I want the Pipasha for 1 at 16:30 on Saturday. Sentence13: We have many restaurants in town. What type of cuisine are you looking for, and what's your budget like? Sentence14: For expensive restaurants with Indian food, we have Pipasha, and the Sitar Tandoori. Sentence15: Great! That is everything I needed. Thank you! Sentence16: I'm looking for someplace to go in town. Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Thank you for using our services. Sentence2: Little Seoul is located at 108 Regent Street City Centre. Sentence3: Can you help me find a restaurant called little seoul? Sentence4: I've made your reservation for 4 on Monday at 16:00. Your reference number is PCU46V3W . Can I help with anything else? Sentence5: Thanks, will you please get me a reservation for 4 people at 16:00 on monday there? Sentence6: Thanks, that's all. Good bye. Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System