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

Example Input: Sentence1: I have pulled up City Stop Restaurant. What information do you need? Sentence2: I would like to book a table there for 4 peole on saturday at 19:45. and can i please get a reference number? Sentence3: Alright, thank you very much. That's all I need for now. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : OMKMNJEM . Sentence5: I am looking for information about city stop restaurant? Sentence6: You are welcome. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I cannot find any restaurants serving halal food. Do you have any other preferences? Sentence2: How about indian food? Sentence3: Their address is 71 Castle Street City Centre, their phone number is 01223 366668. Sentence4: Is Cocum located in the east part of town? Sentence5: No, the Cocum is located on the West part of town. Would you like me to find an Indian restaurant on the east part of town? Sentence6: I have 4 Indian restaurants showing for the east part of town. They are Curry Prince, Pipasha Resteraunt, Rajmahal, and Sitar Tandoori. Sentence7: Correct Sentence8: Hello, I am looking for a restaurant that serves halal food. Sentence9: The Cocum serves Indian food. Sentence10: What is their address and phone number? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Ok, I have booked a taxi for you. Its going to be a blue Audi & the contact number is 07493726924. Sentence2: I'd like to book a taxi to take me from the hotel to the restaurant. Sentence3: Hmm, I've never been there. Let's try that. Can you book me a room for Saturday for 5 guests, 2 nights please? Sentence4: Great, you've been awesome. Bye. Sentence5: I would like to stay on the east side, please. Sentence6: Thanks. I need a place to stay also. I would like a guesthouse with free wifi. Can you help me find one? Sentence7: Could I have the postcode, and address of both of them please? Sentence8: Sala Thong is at 35 Newnham Road, Newnham, cb39ey and Bangkok City is at 24 Green Street City, Centre, cb23jx. Sentence9: No problem! Booking was successful. Your Reference number is : MJ95SPPP . Sentence10: Thank you, I would like to commute from the hotel to Sala Thong, and I want to leave by 06:15. Sentence11: I have 2 places, would you like the one in the west or centre of town? Sentence12: There are 6 guest houses in the east that offer free wifi. Can I recommend the Autumn House? Sentence13: Need a place to eat, panasian food, pricey! Sentence14: I'm sorry, there doesn't seem to be any Panasian restaurants that fall into that price range. Would you like to look for a different type of food? Sentence15: I show 23 guesthouses available with free wifi. Which area of town would you like to stay? Sentence16: Have a great day and a great trip! Goodbye. Sentence17: Which restaurant will you be going to and what time would you like to arrive? Sentence18: Thai food would be just as good. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output:
Answer: (B) System