Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I am looking for a restaurant in the centre area in the cheap price range Sentence2: The address is regent street city centre. Where will you be departing from? Sentence3: How about Charlie Chan? It's a Chinese restaurant that is located in the centre and is cheap. Sentence4: Where are you heading? The cost for trains varies based on the station you go to. I know you're leaving from Cambridge, but to where? Sentence5: I have train TR7409 leaving Cambridge at 09:00, will that do? How many tickets would you like? Sentence6: I don't care, just as long as it's cheap and in the center of town. Sentence7: thanks! that's all i needed to know Sentence8: I just need the price of that train. Sentence9: No, that is all I need today. Thank you for your help! Sentence10: leave after 18:15 and should depart from cambridge on monday,can you book it for me Sentence11: Glad to be able to help! Is there any other information or reservations that you are needing? Sentence12: Thank you for contacting the Cambridge TownInfo centre. Goodbye Sentence13: My destination is stevenage. Sentence14: What is the address? Is there a train I can take to get there? Sentence15: There are 15 restaurants that fit your request. Do you know what type of food you will want to eat? Sentence16: TR8290 leaves Cambridge at 9:21 and gets to Stevenage at 10:10. The cost is 12.80 GBP. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System