You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex Input:
Sentence1: Booking was successful. Your reference number is : 1F0GOZ1D . Sentence2: Can you try 4 nights instead? Sentence3: I recommen a and b guest house. Should I book that? Sentence4: We have 6 total guesthouses in the east, any more preferences? Sentence5: Not particularly. Do you have one you would recommend? Sentence6: Yes, I would like free wifi and a 4 star rating. Sentence7: I'm looking for a guesthouse in the east please. Sentence8: funky fun house would be nice for you Sentence9: Great, could I also find someplace near the hotel to go for fun? Sentence10: Unfortunately there are no rooms available for Wednesday in the East. Could I look at a different location or day? Sentence11: please, For 2 people for 5 nights starting on Wednesday Sentence12: I have six places, is there a price range you have in mind? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Of course, the contact number is 07336173784. Is there anything else you need? Sentence2: Yes, the taxi will pick you up at 9:00. It is a yellow lexus. Sentence3: I'd be happy to help! Where are you coming from? Sentence4: Is 9:00 good? Do you think forty-five minutes is enough time to get to the college? Sentence5: Do you have a time you would like to leave by? Sentence6: The pickup location will be finches bed and breakfast Sentence7: I need a taxi to arrive by 09:45 Sentence8: You're welcome, have a great day. Sentence9: Ok, I will also need your destination for booking purposes. Sentence10: Great. Can I get a contact number? Sentence11: I will be traveling to sidney sussex college today. Sentence12: That's all thanks Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Nothing else today, thanks. Sentence2: The cambridge book and print gallery is in the west side of town. What else can I help you with? Sentence3: I have 3 listings that fit that criteria. Would you need parking as well? Sentence4: Which section of the town could you like the hotel to be in? Sentence5: Yes, the Warkworth house's postcode is cb11ee. Sentence6: In the east please. Sentence7: I have 4-star guesthouses in the east. Warkworth House is a great place to stay. Sentence8: Okay, thanks. I'm also looking for information on cambridge book and print gallery. What area is it in? Sentence9: Parking isn't necessary, but I would like a 4-star hotel if possible. Sentence10: You're welcome. Have a nice day. Sentence11: I'd like to find a moderately priced hotel with free wifi. Sentence12: Can you give me the postcode for that hotel? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System