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

Sentence1: Goodbye. Sentence2: Nandos sounds great. Thank you. Sentence3: Goodbye. Sentence4: thank you good bye Sentence5: Yes, I'd like a restaurant that serves portuguese food. Sentence6: nandos is the only restaurant i can find in the south that serves portuguese. Sentence7: Hi. I'm trying to find a good restaurant in the south part of town. Sentence8: There are several good restaurants in the south part of town. Do you have a preference for the type of food or price range? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: There are many guesthouses and hotels on the north side. Do you have any preferences? Sentence2: I would like for the place to be 0 stars but has to include free wifi and free parking. Sentence3: You are welcome. Enjoy your stay! Sentence4: I found the City Centre North B and B. Would you like me to book you a room? Sentence5: That's all, thank you. Sentence6: Yes. I want to book it for 8 people, starting Sunday, for 3 nights. Sentence7: I'm looking for a place to stay in the north side. Sentence8: Okay, your all set. The reference number is 0IS0GU49 . Can I do anything else for you? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User