Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Do you need internet or parking? Sentence2: Yes, there are 7 hotels available. I'd recommend the acorn guest house. Would you like a room? Sentence3: Booking was successful. Reference number is : UN9VHM37 . Anything else I can help you with today? Sentence4: TR3947 leaves cambridge at 09:11 and arrives at 09:58. Would that work for you? Sentence5: I am looking for information in Cambridge. Sentence6: I'm departing from Cambridge on Friday. Sentence7: What area would you like to stay? And do you have a pricerange? Sentence8: No, you have been very helpful. I have all of the information I need for now. Thanks so much, bye. Sentence9: What is price for a ticket and I also need the travel time. Sentence10: Sure thing, where will you be departing from? Sentence11: I do need parking. Is there anything available? Sentence12: i would like to stay in the north and looking for something with 4 stars Sentence13: The cost is 9.80 pounds and the total travel time is 47 minutes. Is there anything else I can help you with today? Sentence14: I am also am looking for a train that goes to kings lynn. I need to arrive by 12:30. Can you help me book a train? Sentence15: book for 4 people and 4 nights from wednsday Sentence16: It was a pleasure assisting you. Good-bye. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System