Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: thank you goodbye Sentence2: I'm looking for and expensive restaurant in the east part of town. Ask for address, phone number and type of food. Sentence3: You are welcome. Sentence4: grafton hotel restaurant is an expensive british restaurant in the east part of town. Their address is Grafton Hotel 619 Newmarket road Fen Ditton and their phone number is 01223 241387 Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System