Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I am sorry, I have not found any Austrian restaurants in the area. Would you like to look for a different cuisine? Sentence2: No, you have been most helpful with the restaurant and lodging. Thank you. Goodbye. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is BVTK5H3X . Do you need assistance with anything else? Sentence4: Great, thanks! And yes, I'm also looking for a place to stay, also located in the centre and with free wifi. Sentence5: No how about trying to look for Chinese food? Sentence6: No, thank you. Sentence7: Thank you for all your help. Sentence8: I would like one that is moderately priced. Sentence9: Is there a certain price range or rating you would like? Or would you like me to make a recommendation? Sentence10: How about the gonville hotel? It has free wifi and parking. Sentence11: That would be fine please book that for 4 nights on the same day and for the same people. Sentence12: Will that be all for today? Sentence13: There are 17 options for chinese, anything i can do to narrow that down for you? Sentence14: Booking was successful.Reference number is : MP576WVK . Sentence15: Are there any restaurants in the centre that offer Austrian cuisine? Sentence16: Can I help you with anything else today? Sentence17: No particular price range. Yes, I would appreciate a recommendation. Sentence18: That sounds great. Can you make a reservation for Thursday for 8 guests at 16:45 please? Sentence19: You're welcome. Have a great day! Sentence20: There are three Chinese places in the centre with a moderate price range. May I suggest The Jinling Noodle Bar? Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System