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

Sentence1: No specific area. Sentence2: Thank you, goodbye. Sentence3: I have found no restaurants serving Christmas food in the expensive price range. Would you like a different type of food? Sentence4: phone number and address of Cambridge Lodge Restaurant please Sentence5: is there any area you prefer! Sentence6: I want to find an expensive restaurant serving christmas food. Sentence7: Thank you for using the Cambridge restaurant system. Goodbye. Sentence8: Are there European types of restaurants? Sentence9: Cambridge Lodge Restaurant is in the west part of town, at Cambridge Lodge Hotel 139 Huntingdon Road City Centre. Their phone number is 01223 355166. Sentence10: Yes, there are four: cambridge lodge restaurant, eraina, and michaelhouse cafe serve european food, with darrys cookhouse and wine shop serving modern european food Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: The El Shaddai Hotel is located at 41 warkworth street, would yo+u like the phone number? Sentence2: Thank you, goodbye. Sentence3: Can I book a stay there for 1 person for 5 nights starting tuesday please? Sentence4: Nope, that'll do it. Thanks for your help! Sentence5: Your booking was successful, reference number is 8T4AJ6P9, 1 person for 5 nights starting Tuesday at the El Shaddai. Can I help you with anything else? Sentence6: Hello, I would like to find the el shaddai hotel. Can you help me? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: No that is it. Thank you. Sentence2: Let's try the centre of town please Sentence3: I'd like to attend an architecture related attraction in the centre, do you have anything of that nature? Sentence4: Thank you, I would like to book it for 8 people for 2 nights starting from friday Sentence5: Thanks. I am also looking for an expensive place to stay. I'll need free wifi. Sentence6: The all saints church is in the centre of town. Would you like the address? Sentence7: I'm unable to find any places to stay that match those specifications. Is there anything you'd be willing to change about where you want to stay? Sentence8: University Arms Hotel is a great hotel in the centre in the expensive price range. Would you like to make a reservation? Sentence9: Do it also have free parking? Sentence10: Yes that would be great. Can you also give me the phone number and entrance fee? Thanks Sentence11: The address is jesus lane. Sentence12: in the north, please. Sentence13: Yes it does include free parking. Sentence14: the phone number is 01223452587 and admission is free! Sentence15: how about something in the north? Sentence16: Okay, what area would you like to stay in? Sentence17: Great, thank you so much for your help today. Sentence18: Booking was successful. Reference number is : FN6WAJPB . Is there anything else I can do for you? Sentence19: I have nothing in the north. Can I try something else? Sentence20: Thanks for letting us assist you today! Enjoy your visit! Goodbye. Sentence21: What is the address? Sentence22: You're welcome. Is there anything else that I can do for you today? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: (A) User