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: Yes sir! Soul tree nightclub is a good one. they are at 8 market passage, postal is cb23hx and phone number is 01223519224, is there anything else that I can assist with? Sentence2: Pick a good one for me. I need the phone number and postcode for it too. Sentence3: Sala Thong is an expensive Thai place in the west. They're located at 35 Newnham Road, cb39ey. Sentence4: Can't wait to come party at one of your nightclubs in town. Sentence5: There are 5 nightclubs in the centre and one in the south. Would you like more information on one of them? Sentence6: Thanks, that is all for today. Goodbye. Sentence7: You're welcome, have a good day. Sentence8: Can you give me information on a restaurant called Sala Thong? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: That was helpful! Thank you goodbye. Sentence2: What type of information do you need? Sentence3: I need information to find the huntingdon marriott hotel. Sentence4: You are booked at express by holiday inn cambridge. Reference number: FGSTOTPY . Sentence5: Unfortunately, the booking was unsuccessful. Would you like for me to find another hotel for you? Sentence6: Do you need anything else? Sentence7: I need help finding huntingdon marriott hotel please. Could you book a room for me for 6 people on monday for 5 nights please? Sentence8: I suppose so. Another hotel in the same general price range, if you can. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Where will you be traveling to? And what day will you be leaving? Sentence2: Yes. It is in the centre of town on trinity lane. Sentence3: no thanks. not necessary. thanks though. goodbye Sentence4: What is the postcode for this place? Sentence5: I need to leave after 14:30 please. Sentence6: thanks for using our service. goodbye. Sentence7: What time would you like to arrive by? Sentence8: Okay. The TR7245 leaves at 15:21. Would you like me to book it for you Sentence9: The postcode is cb21tt. Can I help you with anything else today? Sentence10: Hello, could you tell me where the old schools attraction is located? Sentence11: I need a train leaving Cambridge after 14:30 Sentence12: What is the travel time and how much will it cose? Sentence13: i'm going to stevenage on wednesday. Sentence14: Travel time is 49 minutes, and the price is 12.80. Would you like me to book passage for you? Question: Who has spoken the sentence 11? (A) User (B) System
Output: Answer: (B) System