TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: i also want a taxi to commute between the two places Sentence2: That's it for now. Thank you for you patient help. Goodbye. Sentence3: book a hotel for 7 people and 2 nights starting from wednesday Sentence4: I have 24 options available. Do you have a specific area in mind? Sentence5: It will be picking me up from the hotel. I'll need the contact number and car type, please? Sentence6: First let's pick one of the 14 guesthouses and then I'll book your room! Sentence7: Absolutely! Your Booking was successful. Reference number is : 7ZCFV2O4 . Is there anything else you need? Sentence8: I need a guesthouse to stay while I'm in town. I don't care if it has free parking or not. Do you have something I could get? Sentence9: We have five parks available. Do you have an area that you would prefer? Sentence10: Yes, I would recommend acorn guest house. Sentence11: I should be able to help you with that. Are you traveling to the Botanic Gardens or from? And what time do you want the taxi for? Sentence12: I'd like someplace in the center, please. Sentence13: There are 14 guest house with internet and moderate price what area would you like Sentence14: Sounds good. There are a lot to chose from, is there one that you specifically recommend? Sentence15: And where would you like the taxi to pick you up? Sentence16: That sounds fine can you book for seven people for two nights starting Wednesday? I'm also looking for a park to visit. Sentence17: You are booked for a white audi with the contact number 07387814664. May I help with anything else, like a restaurant? Sentence18: Yeah, any time I was happy to help. Sentence19: I'm also looking for a park to go to while I'm in town. Sentence20: i want to leave the hotel by 01:15 Sentence21: The Cambridge University Botanic Gardens is located in the centre. It's on Bateman Street. The entrance fee is 4 pounds. Can I help you with something else? Sentence22: No specific area but i do need wifi and a moderate priced guesthouse please. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: There are lots of local attractions, are you interested in architecture? Sentence2: No thank you. That will be everything I need today. You have a nice day. Sentence3: You're welcome! Have a nice day. Goodbye. Sentence4: I have confirmed a taxi picking you up at backstreet bistro at 24:45. The contact number is 07972785913. A blue volkswagen will pick you up. Can I help with anything else? Sentence5: Yes sure as long as the attraction is in the city center. Could you also provide me with the phone number and postcode of the attraction? Sentence6: Sure. I also need somewhere to eat. I'm thinking something on the expensive side and close to the college. Sentence7: Backstreet bistro is located in town centre. The address is 2 Sturton Street City Centre, phone 01223306306. Do you need any further assistance? Sentence8: Can I get one in the centre of town and looking for gastropub food. Sentence9: Of course. How about Saint Catharine's College, in postcode cb21rl? Phone is 01223338300. Sentence10: Backstreet Bistro is an expensive restaurant in the centre of town that serves gastropub food. Would you like more information or to make a reservation? Sentence11: Alright, there are 33 different restaurants around the college that are expensive. Is there a type of food you are looking for? Sentence12: Hi, I'm planning a trip to Cambridge and would like a few ideas on places to go for fun. Sentence13: Information, please! I'm not looking to make a booking at the moment. Sentence14: Yes, can you book a taxi between the two? I would like to leave the restaurant by 24:45. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are 133 trains that match that trip. To narrow it down, I need to know what day you'll be traveling and when you want to arrive by. Sentence2: Great can you help me get a train from cambridge to broxbourne? Sentence3: We have three places, but I like the hotpot. Do you need a reservation? Sentence4: Thanks! That's all I needed today. You've been a great help! Sentence5: The Hotpot is a moderately priced restaurant. Their post code is cb41ep. Sentence6: Great. I have booked one ticket on TR5256 to broxbourne. The cost will be 17.89 GBP and your reference number is O9VNFTK9 . Sentence7: I have train TR5256 that leaves at 20:01 and arrives in Broxbourne at 21:01. Would that work for you? Sentence8: You're welcome! Enjoy your travels. Sentence9: Could you tell me the price range first? and the postcode? for the hotpot? Sentence10: That would be great. I'm traveling alone so just one seat please. Sentence11: I'm looking for a restaurant on the North end that serves yummy Chinese food Sentence12: I will be traveling on Wednesday and I would need to arrive in Broxbourne by 21:15. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User