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

Input: Consider Input: Sentence1: No thank you. That is great. Sentence2: Have a good day! Sentence3: There are three british restaurants in the west. What price range are you considering? Sentence4: Thanks! Sentence5: I'm looking for meals under 30$ a person. I need to book for 3 at 16:15 on Wednesday. Sentence6: The restaurant Saint Johns Chop House is the only restaurant to your specifications with a moderate pricing. Would you like me to make a reservation? Sentence7: Your booking is successful and your reference number is CZT3LA0M . Is there anything else I can help you with? Sentence8: Yes please and I will need a reference number. Sentence9: I am looking for a German restaurant in the west. Sentence10: Enjoy your time! Sentence11: There are no German restaurants available in the west. Would you like to try a different area or different food type? Sentence12: How about one that serves british food instead? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I leave on Tuesday and need to arrive by 11:30. Sentence2: I need a train that goes to Cambridge and departs from Bishops Stortford. Sentence3: I would recommend the lensfield hotel. It's a 3 star hotel in the south. Would you like more information or do you want to go ahead and book a room? Sentence4: The TR0635 leaves at 09:29, tickets cost 10.10 pounds and the duration of the journey is just 38 minutes. Would you like me to book you a seat? Sentence5: What time does the train depart? What is the price and total travel time? Sentence6: No but I also need a place to stay that should be in the expensive price range and should include free wifi. Sentence7: Nope, wherever you recommend will be great. THanks Sentence8: We have 5 hotels that meet your criteria. Is there a particular area of town you would like to stay in? Sentence9: Yes can you please do that for me? Sentence10: No, that will be all. Thank you! Sentence11: How many people should I book this for? What day? How many days will you be staying? Sentence12: ok, the booking was successful. Reference number is : N9Y9Q569 . can i help with anything else? Sentence13: Enjoy your stay. Sentence14: Book it for 8 people and 4 nights. We will be checking in on Thursday. Sentence15: What day will you be departing and time? Sentence16: Ok, the TR0635 arrives at 10:07. Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes. I'd like the same area and price range. Sentence2: Booking was unsuccessful, want to try another restaurant?? Sentence3: Okay I was able to get you into the Bloomsbury and your reference number is 6BOHROUH . Sentence4: No, in that case I think I would prefer to try a place that serves international food. Sentence5: I am sorry there are non in the moderate price range,I have a few in the cheap price range,would that be okay? Sentence6: Thank you, that will be just fine. Sentence7: Hi, I am looking for a north Indian restaurant in the town centre? Sentence8: Okay, how about The Varsity .. I'd like a table for four on Thursday at 12:30. Sentence9: One in the moderate price range would be good. Can you find one for me? Sentence10: I've found 9 restaurants that match what you're looking for. Would you like me to go through them? Sentence11: You're very welcome! Don't hesitate to call if you would like help finding other attractions. Sentence12: I have 2 restaurants that meet your needs: The Varsity Restaurant on Saint Andrews St. and Bloomsbury Restaurant on Downing Street. Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User