You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: It doesn't matter, should be cheap and has four stars. Sentence2: Yes, but the place needs to have free wifi as well. Sentence3: I would recommend the four-star Alexander Bed and Breakfast. It is a cheap offering in the centre and it has wifi. Sentence4: Their address is 56 Saint Barnabas Road. Anything else I can help with? Sentence5: You're in luck, I have 6 guesthouses and 2 hotels that are cheap with a 4 star rating. Would you be interested in booking a room? Sentence6: I will just need number of people staying and number of nights and your arrival date. Sentence7: pick one for me and book for 2 people at 12:00 on Wednesday. Sentence8: I looking as well for a restaurant, in the same price range as the hotel. Located in the centre. Sentence9: Yes, I am ready for a reservation. Sentence10: Actually, I just need the address of the hotel. Sentence11: They do, they are located in the centre. Would you like me to make you a reservation? Sentence12: do they have free parking? Sentence13: Hi, I'm looking for a cheap place to sleep, please. Sentence14: Charlie chan is a nice place I will book it for you Sentence15: There are 15 different restaurants that meet that criteria, is there a type of food you're interested in to narrow your choices down? Sentence16: What area of Cambridge will you be staying in? We have multiple hotels to choose from. Question: Who has spoken the sentence 11? (A) User (B) System
A:
Answer: (B) System