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 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
Example output: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system
Q: Sentence1: The grafton hotel restaurant sounds perfect for you. Would you like me to make a booking? Sentence2: Alright, I was successful in booking the Allenbell for Friday for 7 people at one night. Your reference code is 7D76ELJF . Is there anything else I can help you with? Sentence3: Great, let's try booking a room there. Sentence4: I'd actually like to find a guesthouse in the east instead. I'd still like it to have free wifi. Sentence5: Can you also find me an expensive British restaurant in the same area as the hotel? Sentence6: Thank you for using our system! Sentence7: What time on Friday would you like to reserve your table? Also, will it be the 7 people? Sentence8: Actually, no need to book. I just need the postcode, phone number and address for the Grafton Hotel Restaurant. Thanks. Sentence9: Yes please. Could you provide me with their postcode, phone number, and address as well? Sentence10: I would like to find a hotel in the east. Can you help me? Sentence11: Your booking is completed. Your car type is a blue bmw and contact number is 07515734744. May I help you with anything else? Sentence12: Sure, Express by holiday inn cambridge is located in the east. Free internet & parking 2 stars. Phone number is 01223866800 Sentence13: The price does not matter. I would like it to be booked for 7 people for 2 nights starting from Friday. Sentence14: No, I think that covers everything. Thanks so much for your help! Sentence15: I'd like to book a taxi from the hotel at 18:30 to the restaurant. Sentence16: It is located at Grafton Hotel 619 Newmarket Road Fen Ditton, postcode cb58pa. Their phone number is 01223241387. Can I assist you with anything else? Sentence17: I have about 6 different ones. Do you have a preference on price range? I have cheaper options and moderately priced ones. Sentence18: The booking was unsuccessful do you have another choice? Sentence19: Maybe just a one night stay then, try that. Sentence20: I can book you into the allenbell. It is a cheap price range with free wifi and parking. Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System