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

Sentence1: They are quite expensive . Sentence2: I want a restaurant in the south part of town and serves panasian food. Sentence3: Sorry what type of food do they serve? Sentence4: Thank you, goodbye! Sentence5: Sorry, there are no restaurants in the south part of town serving panasian food. Sentence6: They serve italian food. Sentence7: Frankie and Bennys serves Italian food in the south part of town. The phone number is 01223 412430, and the postcode is C.B 1, 7 D.Y. Sentence8: Thank you for your help. Good bye. Sentence9: italian food please. phone number and postcode please. Sentence10: what is the price range ? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: Can you check the availability at the University Arms Hotel for five people? Sentence2: You are welcome. Sentence3: Sure thing! Your reference number is LW8PBD97 . Sentence4: Thursday please. Sentence5: Thank you so much, that is all that I need for now. Have a wonderful day. Sentence6: What day would you like to book? Sentence7: Actually for 5 nights and there will be 5 of us staying Sentence8: For just one day? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Thank you! That's all I needed. Sentence2: The hotel is booked. The reference number is 5GTAJA8K . Sentence3: I'm trying to find the Alexander Bed and Breakfast. Sentence4: I am glad I was able to help you. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence5: I have the Alexander B & B located on 56 Saint Barnabas Road. Would you like me to assist you in making a reservation? Sentence6: Yes please. There will be 7 of us, and we'll be arriving Thursday. We want to stay 5 nights. Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System