You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I would like to book a table for 5 people at 17:45 on Wednesday. Also could you give me the reference number? Sentence2: Absolutely. It is an indian restaurant located in the centre. It is in the expensive price range. Sentence3: There are several guesthouses/hotels that are available. What price range are you looking for? Sentence4: I am not looking for a specific price range but I do need it to have free wifi and free parking. Sentence5: I was able to book you a table at the restaurant. It will be reserved for no more than 15 minutes. Is there anything else i may help you with? Sentence6: Sure thing - The Allenbell is located at 517a coldham lane, cb13js. Is there anything else I can help you with today? Sentence7: There are 25 lodging options that have both free WIFI and parking, do you have an area in mind to stay in? Sentence8: No, thank you! That'll be all for today! Sentence9: I need information on a restaurant called saffron brasserie please. Sentence10: I would like a guesthouse on the east side of town. Sentence11: No, I'll take the address for the first one listed. Sentence12: There are 5 such places. Do you have a preferred price range? Sentence13: Yes I'll also need a place to stay as well as a reference number for my reservation. Sentence14: Alright, have a nice day. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System