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: I'd like to find some place to go on the east side of town. Sentence2: Thank you. Have a good day, goodbye. Sentence3: I can certainly suggest something for you. I have 10 options. Do you prefer an entertainment venue, or perhaps a museum or park, etc? Sentence4: Sounds great. That's all I needed. Thank you! Sentence5: I would prefer just anything in the east, can you give me the address and attraction type of one? Sentence6: No problem. How does the Funky Fun House sound? It is standard entertainment and it is located at 8 mercers row, mercers row industrial estate. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Yes, please provide me with the address and postcode. Sentence2: Nope, that takes care of everything for me. Thanks a bunch. Sentence3: You're welcome. Thank you for using the Cambridge TownInfo centre. Have a great day. Sentence4: Good afternoon, would you kindly tell me where the Parkside Police Station is? Sentence5: Parkside, Cambridge Postcode :CB11JG. Do you need anything else? Sentence6: Sure. The Parkside Police Station is at Parkside, Cambridge. Is there anything else I can assist you with? Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System