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

Q: Sentence1: You're welcome, enjoy your day. Sentence2: How about Downing College? It has free admission and is located on Regent Street/ Sentence3: I'd like to visit a college in the center of town. Could you help me find something interesting? Sentence4: That sounds great! Can I have their phone number and postcode, please? Sentence5: No, that was all I needed to know. Thank you, you've been very helpful. Sentence6: Downing College's phone is 01223334860 and their postcode is cb21dq. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Okay, thank you. I would also like to go to a museum while I'm in town. Could you give me some information on possible options? Sentence2: You're very welcome. Have a good day, goodbye. Sentence3: No thank you. Could you recommend your favorite museum? Sentence4: Yes I am looking for a place to stay that includes free wifi. I would prefer a guesthouse. Sentence5: I have found several guesthouses is there a particular are you wish to stay in? Sentence6: There are many different museums available. Is there a certain area you would prefer? Sentence7: I have the El Shaddai in the center that is cheap and has a 0 star rating. Would you like a booking? Sentence8: The Broughton House Gallery is a lovely museum in the centre of town. It's located at 98 King Street cb11ln and has free entrance. Their phone is 01223314960. Would that work? Sentence9: Your reference number is 0E0R0NEJ . Sentence10: Yes they sure do. Would you like me to book you a room? Sentence11: Yes that will be fine. I will be needing accommodations for 5 adults for a total of 4 nights 5 days beginning Sunday. Include reference number. Sentence12: I am looking for a cheap hotel with a rating of 0 out of 5 stars. Sentence13: Actually, yes, that's great. You've answered all my question wonderfully, thank you. Bye! Sentence14: Does the El Shaddai include free wifi? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I want the one in the north please Sentence2: Yes, the arbury guest house offers internet Sentence3: I have you booked for a room on Wednesday, for 5 nights, for two people. Your reference number is JHI0YPSS . Would you like help with anything else? Sentence4: That sounds like a good option! Does it include internet? I won't be needing it during my stay, but I'd like to know. Sentence5: There are four! 3 in the centre, and 1 in the north! Sentence6: looking for a restaurant. The restaurant should serve chinese food and should be in the same price range as the hotel Sentence7: Ok. Can we look for something on the north side? Sentence8: Thank you for contacting us and have a nice day. Sentence9: A blue tesla will be picking you up in time to arrive at the restaurant by 18:45. Their Contact number is 07398063187. Is there anything else I can assist you with? Sentence10: golden wok is what you're looking for, can i book it for you? Sentence11: Could I also get a taxi to go from the hotel to the restaurant please? Sentence12: Booked! The reference number is V9O804ND . Is there anything else I can help you with today? Sentence13: Yes, please book golden wok for 2 people at 18:45 on Wednesday. Sentence14: I would like to find a guesthouse to stay in that's in the expensive price range. Can you help me? Sentence15: That is all, thanks. Sentence16: How many people and how many days would you like to book for? Sentence17: There are several moderately priced guesthouses in the North. Arbury Lodge, perhaps? It has a 4 star rating. Sentence18: There are zero guesthouses in the expensive range. Would you like to explore hotels or other price ranges? Sentence19: Please book for 2 people, for 5 nights, starting from Wednesday. Sentence20: Can you book it for me? Question: Who has spoken the sentence 15? (A) User (B) System

A:
Answer: (B) System
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