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

Sentence1: the post code is cb41er. what day would you like the reservation for? Sentence2: You're quite welcome. Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence3: The Ashley Hotel sounds fine, can you book that for me please. Also, I need the postcode of that hotel as well. Sentence4: I'm looking for a hotel in the north side. Sentence5: Ashley Hotel and Lovell lodge are both available Sentence6: Actually, I don't need a booking. Thanks. Have a nice day. Sentence7: I have many options in the north. All are in the cheap to moderate range. Do you have any further requirements? Sentence8: I'd like a 2 star hotel with free parking. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Departing from cambridge and I want to arrive somewhere around 20:00, can you get me 7 tickets and I'll need the reference number too. Sentence2: I am looking for a train leaving Cambridge. Sentence3: I definitely want to stay in the east part of town. Sentence4: I would like to go to leicester and leave on friday. Sentence5: Yes , I also need to find a place to stay. Preferably 4 stars and a guesthouse. Sentence6: thank you, you've been quite helpful Sentence7: I have quite a few trains that fit your criteria. Is there a certain time you need to leave or arrive by? Sentence8: How about 1 night? Sentence9: That sounds great, thank you. Could you book that for me for 7 people? I will need the reference number as well. Sentence10: The price range doesn't matter, but could you pick one and book it for 3 nights for 7 people starting Tuesday? Sentence11: We have quite a few, I'm sure we'll be able to get you where you want to go. Where is that, exactly? Sentence12: Glad to help. Have a lovely day. Sentence13: I completed your booking. The reference number is C11MOBV7 . Is there anything else I could help you with? Sentence14: I have six entries matching your request. Would you prefer cheap or moderate price range? Sentence15: The TR2508 arriving at 19:06 sound okay to you? Sentence16: I was able to book the A and B Guest House for 1 night. Booking was successful. Reference number is : 995PR933 . Sentence17: I'm sorry. There are no rooms available for that stay. Can you choose a different day or shorter stay? Sentence18: Sure! Our database contains 18 guesthouses rated 4 stars. To narrow down the search, could you tell me in what part of town you'd like to stay? Question: Who has spoken the sentence 12? (A) User (B) System

Answer: (A) User