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: Where would you like to depart from? Sentence2: Can I please book a train to bishops stortford on saturday? Sentence3: I have the TR0121 train available. It departs from Cambridge at 15:29 and arrives at Bishops Stortford at 16:07. Would you like to book a ticket? Sentence4: We have many guesthouses located in the north, many of which are 4 stars. May I recommend the Kirkwood House located in the north for a moderate price with 4 stars? Sentence5: May I ask a price range that you would like? Sentence6: Yes it most certainly does. Sentence7: I'd like to leave Cambridge and arrive by 17:30. Sentence8: No thank you that is all I need today. Sentence9: Okay. The guesthouse is Kirkwood House and it is moderately priced, located at 172 Chesterton Road Reference Number CB41DA . Sentence10: Your passage has been booked. 16.16 GPB will be payable at the station and your reference number is ZVFTQ0X3 . Will that be all? Sentence11: Thank you. I also need help finding a place to stay. I'd prefer a guesthouse with free wifi Sentence12: The Kirkwood House is moderately priced and is located at 172 Chesteron Road, CB4 1DA. Can I help you with anything else today? Sentence13: What's the price range, postcode and address please Sentence14: Does the Kirkwood House include free parking? Sentence15: I don't care about price. It needs to be in the north, however. Sentence16: Yes. Please book for 2 people. Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System