Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Sure the address is jesus lane and the phone number is 01223452587, there is no entrance fee's either. Sentence2: All Saints Church is in the centre area and has free admission. Sentence3: I can help you with that. What type of attraction are you looking for? Sentence4: Sure, can you get me the information? Sentence5: i am looking for a place to stay. The hotel should be in the north and should include free wifi. Sentence6: Can you tell me the address and phone number to the All Saints Church. Sentence7: Sure thing! How many people will be staying, what day to you want your stay to start, and how long? Sentence8: Cool. Can you have a taxi pick me up at 19:00 at the hotel and take me to the attraction? And i'll need car and contact info Sentence9: 1 people, 4 nights starting monday. Thanks. Sentence10: How about all saints church? Sentence11: You are welcome. It was my pleasure to help you. Goodbye from the Cambridge TownInfo centre. Sentence12: Booking was successful. Reference number is : 3AHJV6HE . Sentence13: I would like something with architecture I think. Sentence14: I think that's all I need for today. Thanks for the help. Goodbye. Sentence15: A grey skoda is booked for you and can be reached at 07908464807. How else can I help? Sentence16: Does it have 4 stars? If so, go ahead and book it! Sentence17: The Archyway House is a guesthouse in the north with free internet and parking. Would you like me to book for you? Sentence18: I am also looking for an attraction in the middle of town. Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User