You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[EX Q]: Sentence1: I would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Booking was successful. Your reference number is : 1F0GOZ1D . Sentence2: Can you try 4 nights instead? Sentence3: I recommen a and b guest house. Should I book that? Sentence4: We have 6 total guesthouses in the east, any more preferences? Sentence5: Not particularly. Do you have one you would recommend? Sentence6: Yes, I would like free wifi and a 4 star rating. Sentence7: I'm looking for a guesthouse in the east please. Sentence8: funky fun house would be nice for you Sentence9: Great, could I also find someplace near the hotel to go for fun? Sentence10: Unfortunately there are no rooms available for Wednesday in the East. Could I look at a different location or day? Sentence11: please, For 2 people for 5 nights starting on Wednesday Sentence12: I have six places, is there a price range you have in mind? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Sure, I need a 4 star guesthouse with wifi and parking. The area doesn't matter. Sentence2: No specific area. I would like it to have free wifi and 4 stars. Sentence3: Alright, you're all booked. Your reference number is JAKFVTLQ . Can I help with anything else today? Sentence4: I am not particular as long as it has a 2 star rating, free wifi and is a guesthouse. Sentence5: What part of town do you want to stay in? Sentence6: I have 16 entries that are a match. What area would you like the hotel in? Sentence7: how about the archway, its moderately prices and has free wifi and parking? Sentence8: Can you tell me what type of attraction this is and the entrance fee? Sentence9: I'm looking for info on soul tree nightclub. Sentence10: I'm sorry, can you just clarify whether you prefer 2 or 4 stars? Sentence11: Thank you so much for your help. That was all I needed. Sentence12: Sure. Soul Tree Nightclub is a nightclub attraction. The entrance fee is 4 pounds. Sentence13: i need a guest house which has free parking Sentence14: That sounds good. I'd like to book a room for 2 people starting on Saturday and lasting 5 nights. Sentence15: You're welcome! Have a great day! Sentence16: It's located in the centre. Here's the phone number 01223477900. The address is 1-6 corn exchange street Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System