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: That is all, thank you, goodbye. Sentence2: Is there anything else we can help you with? Sentence3: Goodbye. Sentence4: Ok. Thanks. Sentence5: I am looking for a restaurant in the south part of town and serving portuguese food. What is the address and phone number? Sentence6: Nandos is a portuguese restaurant in the south part of town. Their address is Cambridge Leisure Park Clifton Way and their phone number is 01223 327908 Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: de luca cucina and bar serves modern european food and is in the moderate price range. Their phone number is 01223 356666 and they are located at 83 Regent Street Sentence2: Thank you. Goodbye. Sentence3: I do not have a preference, please make a suggestion. Sentence4: You're welcome. Thank you for using the system. Sentence5: I'm sorry, but there is no restaurant serving Japanese food and in the moderate price range. Would you like to try another type of food or a different price range? Sentence6: I'm looking for a moderately priced Japanese restaurant. Sentence7: There are 3 restaurants serving modern European food and in the moderate price range. Would you like the south or centre part of town? Sentence8: How about modern european food? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System