Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Thank you good bye. Sentence2: Thank you, goodbye. Sentence3: Nandos is located at Cambridge Leisure Park Clifton Way. Their phone number is 01223 327908. Can I help you with anything else? Sentence4: Either is fine, can you provide the address and phone number? Sentence5: There are two restaurants serving cheap food in the south part of town. Do you have a preference of portuguese or chinese food? Sentence6: I'm looking for something cheap in the south part of town. Question: Who has spoken the sentence 4? (A) User (B) System
Student:
Answer: (A) User