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, that's all the information I need. Thanks! Sentence2: You can reach them by phone at 01223312598. Anything else I can help with? Sentence3: Booking was successful. Reference number is : T212RFL5 . Sentence4: Yes, Gourmet Burger Kitchen has North American cuisine and is expensive. It is located in the City Centre. Sentence5: That sound perfect. Could I make a booking for 6 people? Sentence6: I need help finding a guesthouse to stay at. Sentence7: I'd like the east part of town please. Sentence8: Ok great, have a wonderful day! Sentence9: Do you know of a restaurant by the name of gourmet burger kitchen? Sentence10: Of course! What day and how many nights? Sentence11: can you tell me the phone number please Sentence12: Warkworth House is a great place. They are rated 4 stars, moderately priced and offer free parking and internet. Sentence13: How many days will you be staying? Sentence14: I have a number of different guesthouses available. Do you want to stay in a particular part of town? Sentence15: I'll be starting my stay on this coming Sunday. Sentence16: 5 nights please. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Sure! Hughes Hall is an excellent free college attraction. Would you like more information? Sentence2: Yu Garden is an expensive Chinese restaurant located on the east side of town. Would you like the address for this one? Sentence3: Yes I would like the address and the postcode please. Sentence4: Great, can I get a taxi from Hughes Hall at 15:30 going to yu garden please. Sentence5: Nope. Pick the place with the most stars, and give me the address and postcode. Sentence6: I have 9 expensive chinese restaurants. Is there a certain area of town you would like? Sentence7: Not right now. Could you please pick an attraction in the centre of town and give me the name and type of attraction? Sentence8: yes I will order that for you. Sentence9: I am looking for a chinese restaurant. I want a place that is expensive and classy. Sentence10: The address for yu garden is 529 Newmarket Road Fen Ditton, postcode cb58pa. Would you like me to book this restaurant for you? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System