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: Not yet. What time does TR8705 leave Kings Lynn? And what do the tickets cost? Sentence2: It leave kings lynn at 08:11 and the tickets are 9.80 pounds per ticket. Would you like me to book you tickets? Sentence3: I hope you have a pleasant trip! Sentence4: Sure! Golden Wok is located at 191 Histon Road Chesterton. Their postcode is cb43hl. You can reach them at 01223350688. Anything else I can help with? Sentence5: Im looking for food its name is called golden wok, can you get me address, postcode, and phone number Sentence6: great, the TR8705 can get you there by 8:58. would you like tickets? Sentence7: to cambridge and should arrive by 09:00 Sentence8: Ok is there anything else I can help you with ? Sentence9: OK, and where will you be traveling to? Sentence10: Excellent! Do you need assistance with transportation? Sentence11: No, that's all at this time. Thank you. Sentence12: No I don't need you to book it. Sentence13: I also looking for a train. The train should depart from kings lynn and should leave on thursday Sentence14: I am planning a trip to Cambridge Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System