Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I'd like to book for 7 people 2 nights on saturday please Sentence2: Is there anything else I can help you with? Sentence3: Thank you for your help Sentence4: No, there's nothing more. Sentence5: I am looking for a place to stay. The hotel should include free parking and should be in the type of guesthouse Sentence6: how about finches bed and breakfast? Sentence7: What area of town? Sentence8: Thank you for contacting us. Have a great day! Sentence9: It should be in the west and have a star rating of 4. Sentence10: Booking was successful. Reference number is : FNAJHEWG . Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User