Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Sure! Milton County Park is free, and their phone number is 01223420060. Can I help you with anything else? Sentence2: I don't have any in the north, but I have several in the centre. Would you like to try one of those? Sentence3: I need a place to stay, some place with 4 stars and in the north. Sentence4: I was able to find a taxi to take you from the hotel to the park. It will be a yellow volvo phone number is 07803372639. Sentence5: Yes. Could I get the entrance fee and phone number please? Sentence6: Okay. Is there anything else I can help you with? Sentence7: The postal code is cb43pe. Yes, it does have free parking. Is there something else I can assist you with? Sentence8: Archway House is a very nice 4 star guesthouse in the area that is moderately priced. Would you like to book a stay? Sentence9: Thank you for contacting us and have a nice day. Sentence10: I would like one in the moderate range. Sentence11: Can you help me find a nightclub to visit somewhere in the north? Sentence12: There are number of moderately priced options and one that falls in the cheap price range. Do you have a price range in mind? Sentence13: No, I want to stay in the same area. How about a park? Sentence14: There is one park in the north. Would you like the info? Sentence15: Yes, tell me if the Archway House has free parking and please get me their postcode Sentence16: That is all I needed today. Sentence17: I also need a taxi. It should leave the hotel by 2:30 please. Sentence18: I think that one works. No need to book. Question: Who has spoken the sentence 13? (A) User (B) System
A:
Answer: (B) System