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

Ex Input:
Sentence1: No I don't. Pick any of the 33 and give me the address and area, please. Sentence2: I have 33 entries that match your request. Do you have a star rating preference? Sentence3: Yes, what time does that train leave? Sentence4: The alexander bed and breakfast is a cheap 4-star guesthouse in the center, how does that sound? Sentence5: I don't need any specific area, just need a guesthouse that is cheap and includes free parking. Sentence6: Perfect. Thank you. That's all the information I need for Cambridge. You have been a great help! Sentence7: I need to find a Train leaving on Friday from London Liverpool Street and arriving in Cambridge. Sentence8: The TR5015 will get you there by 15:07. Would you like me to book you some seats? Sentence9: I have 10 trains as options. Do you have a time you want to leave or arrive by? Sentence10: Can you tell me what area it's in? And can you give me an address? Sentence11: Please book it for me.I also need a place to stay,a guesthouse with free parking ? Sentence12: The travel time is 88 minutes. Can I help you with anything else? Sentence13: Yes I'd like to arrive in Cambridge by 15:15. Sentence14: We hope you enjoy your stay. Goodbye. Sentence15: No thank you, may I please get the travel time of TR5015? Sentence16: Sure. What area would you like to stay in? Sentence17: Alexander bed and breakfast in found in the center of the town. Their address is 56 saint barnabas road. Sentence18: Thank you, I'm also looking for a place to stay. Can you help me find someplace? Sentence19: It would depart at 13:39 and arrive in Cambridge at 15:07. Sentence20: I have booked the train for you. The reference number is JN7FFTTY . Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I do not care about the area but I would like it to be expensive. Sentence2: How about the Gonville Hotel which is centrally located? It has internet and is expensive. Sentence3: I found 5 hotels matching your request. I would recommend Huntingdon Marriott Hotel located in the west. It has a 4 star rating. Sentence4: Will you be needing a reference number? Sentence5: On what day will you be checking in? Sentence6: 4 people will be staying Sentence7: I also need a place to stay? Sentence8: Your table will be reserved for 15 minutes. Your reference number is GDZZ5T1Y . Can I assist you further? Sentence9: That is all, thanks. Sentence10: Booking was successful. Reference number is : M6FRXJOV . Sentence11: I have many to choose from. Do you have a preference for internet or parking? Sentence12: Alright! How many people will be staying starting what day? Sentence13: There are 11 European style restaurants. What price ranges are you looking for? Sentence14: Yes, I would like it to have internet. Sentence15: That sounds perfect. Let's book it. Sentence16: There are 33 hotels to choose from. Can we narrow this down? Are you interested in a particular part of town or specific price range? Sentence17: Expensive price range. Please book it for 4 people at 18:15 on Monday Sentence18: Can you help me find some european food in Cambridge? Sentence19: How about price range? The hotel should also be very expensive. I won't settle for less and neither will Fi-Fi. Sentence20: I will be staying on Monday. Sentence21: Yes I will definitely need that. Sentence22: Great. If you need help in the future, please contact us. Enjoy your stay. Question: Who has spoken the sentence 16? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Thank you. Could you help me find a museum that is in the east? Sentence2: Their phone number is 01223295264, and postcode is cb15dh. Sentence3: Sorry there are no records matching your request. Would you like to change your request? Sentence4: Okay. Your booking was successful. Your reference number is 42WW4454 . The table will be reserved for 15 minutes. Sentence5: Thank you so much. Do you know if there is an admission charge? Sentence6: You too! Thanks. Sentence7: You are very welcome. Sentence8: I have 5 different ones. 4 are in the centre of town and 1 is in the south. Do you have a preference? Sentence9: Thank you for allowing me to help you, have a great day. Sentence10: Great news, admission is free for that museum. Anything else I can help you with today? Sentence11: I'm looking for a restaurant recommendation. Sentence12: I would love to assist. Do you have a price range in mind? Sentence13: No, I just need a resrvation for 7 people at 17:45 on monday. Sentence14: Yes, you might want to try the gallery at twelve a high street in fulbourn. Sentence15: Yes, I am looking for a expensive scottish restaurant. Sentence16: Can you also tell me the phone number and postcode? Sentence17: Okay, let's try for an expensive Italian restaurant instead. Sentence18: Great! Thank you for all your help. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User