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

[EX Q]: Sentence1: There's a lot to do in the south. There's a cinema, entertainment, museum, nightclub, park, and theatre. What sounds good to you? Sentence2: Maybe we can do a picnic in the park. Can you tell me about what's available? Sentence3: That sounds great, thank you. I'm also looking on information on trains arriving from cambridge by 15:15. Sentence4: you're welcome. i hope you'll have a wonderful and adventurous picnic. Goodbye Sentence5: How about wandlebury country park that is located in the south park of town? It is also free. Sentence6: No thank you. Sentence7: My pleasure. Can I help you with something else? Sentence8: Your best bet would be the TR3685 which leaves Cambridge on Friday at 13:00 and gets to London Kings Cross at 13:51. Sentence9: Okay and what day would you like to travel? Sentence10: I'm feeling adventurous and would love to get recommendations about places to visit in the South Sentence11: Perfect. Thank you for your help today. Sentence12: I would like to travel to london kings cross on friday. Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Taj Tandoori is an expensive Indian restaurant in the South. Would you like more information on them? Sentence2: I'm looking for an expensive restaurant in the south part of town Sentence3: Thanks for your call. Goodbye! Sentence4: Thank you goodbye. Sentence5: May I have their address and phone number? Sentence6: chiquito restaurant bar is located at 2G Cambridge leisure park cherry hinton road cherry hinton. Its phone number is 01223400170. Would you like anything else? Sentence7: Yes. chiquito restaurant bar serves mexican food in the expensive price range and is located in the south part of town. Sentence8: Is there anything else? Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: From the museum to the restaurant. Sentence2: Is there a specific area you would like to dine in? Sentence3: The postcode for whipple museum of the history of science is cb23rh. Is there anything else I can help you with? Sentence4: That will be all. Thank you. Sentence5: A black Honda will pick you up and get to you to the Rajmahal in time for that reservation. The contact number is 07608033696. Sentence6: cool, could you also give me the postcode? Sentence7: In the moderate range, please Sentence8: Please find a place that serves Indian food. Sentence9: Sure, is there a price range you would like to stay in? Sentence10: Where would you like to go with the taxi? Sentence11: Thank you! Can you also tell me about Whipple Museum of the History of Science, please? Sentence12: The Whipple Museum of the History of Science is in the centre of town on free school lane. Admission is free. Sentence13: I also need a taxi. Sentence14: Your reservation at rajmahal was successful. The table will be reserved for 15 minutes. Reference number is : XYIQ88JZ . Sentence15: You're very welcome! Bye! Sentence16: No, I don't have a preference. Any you pick will be fine. I need to book on Sunday at 14:00 for 4 people, please? Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]:
Answer: (B) System