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

Q: Sentence1: No thank you. Can I have to phone number and postcode for that restaurant? Sentence2: I need a train to Kings Lynn. Sentence3: Thank you for using our service. Sentence4: The earliest train leaving after 17:00 on Friday leaves at 17:11. Would you like me to book this train for you? Sentence5: That would be TR9226 Sentence6: The phone number is 01223247877. It's located in the cb13nl postcode. Sentence7: Hmmm....how about an expensive restaurant serving gastropub food in the east? Sentence8: Thank you, goodbye. Sentence9: I am looking for a restaurant in the east that serves international food. Sentence10: No. There are two moderately priced restaurants with international cuisine in the centre of town. Would you like to hear about those? Sentence11: Book it, please. I need a single ticket. Sentence12: The the missing sock fits that criteria and is in the cheap price range. How else can I assist you? Sentence13: What day would you be wanting to travel? Sentence14: There's one restaurant that fits your requests, would you like me to book a reservation? Sentence15: Thanks again for the information! Sentence16: Have a great time. Sentence17: Have a great day as well. I think you'll love the Royal Standard. Sentence18: Thank you so much. Have a nice day! Sentence19: Friday please. From Cambridge leaving after 17:00 Sentence20: Can you give me the train ID on that one please? Sentence21: Is there one in the expensive? Sentence22: You have been booked for the train. Your reference number is 0UIC4MX9 . Can I help you with anything else? Question: Who has spoken the sentence 20? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Thank you! That is all I need. Sentence2: You are very welcome! Sentence3: Yes, I'm calling regarding Addenbrookes Hospital. What is the address please? Sentence4: The Addenbrookes Hospital is located at Hills Rd, Cambridge Postcode CB20QQ. Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: What is the entrance fee for the Milton Country Park? Sentence2: I need information on the Aylesbray Lodge Guest House, please. Sentence3: Thank you for the information. I will call a cab presently. Enjoy your stay at The Milton, it was a pleasure. Sentence4: In the north we have riverboat georgina, milton country park, jesus green outdoor pool, and kings hedges learner pool. Are you interested in learning more about any of these? Sentence5: Sure. The guesthouse is a 4 star hotel located in the south part of town. It is moderately priced and offers free wifi and free parking. Sentence6: That is good. Can I please book it? Sentence7: Before booking, what are some interesting sites to visit that are in the north area? Sentence8: The Milton Park will do wonderfully, I will need a cab. Sentence9: The entrance fee for the Milton Country Park is free. Are you interested in learning about other sites in the north? Sentence10: Of course! How many guests will be visiting and how many days would you like to stay? When would you like to begin your stay? Question: Who has spoken the sentence 6? (A) User (B) System

A:
Answer: (A) User
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