Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: No that is it. Thank you so much. Sentence2: Okay and which day and time would be best for you? Sentence3: I have No matching records found. would you like something different ? Sentence4: I would also like to go to a museum nearby in the south part of town. Please also give me its address and entrance fee. Sentence5: Wednesday at 13:00, if that's available. Sentence6: Yes, a table for six, please. Sentence7: I have found the yippe noodle bar. It is located in the centre. Would you like a reservation? Sentence8: How about 12:00? Sentence9: I was not able to book, can I try another place or time? Sentence10: I will. Goodbye. Sentence11: Hi, I'm looking for a moderately priced restaurant that serves christmas food. Do you know of any? Sentence12: Do you know of any restaurants that offer Italian food that is moderately priced? Sentence13: Goodbye. If you need anything else, don't hesitate to contact us again. Sentence14: You're very welcome. Have a great trip! Sentence15: I have Byard Art Museum in the south. They offer free admission. They are located at 14 King's Parade. Is there anything else I can do for you? Sentence16: Your table is reserved for 12:00. Your reference number is XOY3DO4V . Sentence17: I changed my mind. Could you find a restaurant that serves asian oriental food? Sentence18: byard art museum is located at 14 king's parade and the phone number is 01223464646. Let us know if we can help further. Sentence19: Thank you again. Sentence20: There are 5 Italian restaurants in the moderate price range. What area do you prefer? Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System