Given the task definition, example input & output, solve the new input case.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: Yes I will also need to book a taxi from Rosa's for 04:45. Sentence2: Rosa's Bed and Breakfast is a guesthouse. It has internet and parking, as requested, and the postcode is cb22ha. Shall I book a room for you at Rosa's? Sentence3: Just to confirm, you want a taxi from Rosa's to Christ's College with a departure time of 04:45, correct? Sentence4: Thank you! I would like it to have at least 4 stars. Sentence5: You know what, come to think of it I think I would prefer to stay on the south side of town. Can you check for a 4-star hotel there? Sentence6: I have no preference for the area, would you recommend one for me? I would also need the postcode and entrance fee please. Sentence7: Doesn't matter. Do both include wifi? Sentence8: Thank you. I think that's all I need today. Bye. Sentence9: Could you get me the postcode for Rosa's B&B? And is that a hotel or guesthouse? Sentence10: Christ's college is located in the centre of town at listed postcode cb23bu. The entrance fee is free. Would you like more information? Sentence11: I have two, would you prefer a guesthouse or hotel? Sentence12: no nothing specific, but the cheaper the better Sentence13: There are 18 colleges that you can visit. Is there a particular part of town that you are interested in? Sentence14: No thanks, but I do need a place to stay. Could you find me something with free parking? Sentence15: There are two 4-star hotels: Aylesbray Lodge Guest House and Rosa's Bed and Breakfast. Sentence16: Is there an area of town you'd prefer? Sentence17: I am wanting to visit a college while I am traveling in town. Do you have any listings? Sentence18: Okay you have a booked car, a blue tesla, contact number 07113187062. Sentence19: You are most welcome. Have a good day. Sentence20: There are five places with parking, is there a specific price range you would like to look for? Sentence21: Any other requests? Sentence22: That is correct. Sentence23: I would prefer to stay in the West side of town. Sentence24: Yes both have wifi Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System