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

[EX Q]: Sentence1: I prefer a gueshouse. Sentence2: I'm glad I was able to help you today! Thank you for contacting Cambridge TownInfo centre. Enjoy your trip! Goodbye! Sentence3: There are many places to stay that offer free parking. Do you prefer a guesthouse or hotel? Sentence4: No, but can you help me find a restaurant? I think it's called Meghna. Sentence5: Ahhh.. great, thanks! That's all I needed! Sentence6: Yes, they are at 154 chesterton road and can be reached by phone at 01223353888. Would you like me to book you? Sentence7: Great can you tell me the star rating of the hotel as well? Sentence8: Yes, that is a moderate priced indian restaruant in the west. Sentence9: Acorn Guesthouse has a star rating of 4. Would you prefer other options or would you like for me to book you? Sentence10: That's it! Can you give me the phone number and area, please? Sentence11: Can I please have their address and phone number? Sentence12: The acorn guest house would fit your needs would you like me to make a reservation for you Sentence13: Meghina's phone number is 01223727410. They are located in the west. Sentence14: Place to stay the night, with free parking and it doesn't need free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: You're welcome, have a great day. Sentence2: I also need a train ticket. Sentence3: Booking was successful, the total fee is 115.5 GBP payable at the station . Reference number is : U0JGF786 . Sentence4: Yes, please book for 7 people, and give me the reference number. Sentence5: Hi, I'm looking for a theater. Sentence6: ADC Theatre in the centre is nice. Would you like the address? Sentence7: The train should arrive by 19:00 and should depart from cambridge. Sentence8: I'd be happy to help you find a train. Where would you be departing from and where would we be going to? Sentence9: Not especially, could you give me a recommendation? Sentence10: What time would you like to arrive or leave? Sentence11: I have a train leaving Cambridge at 5:06 and arriving to Peterborough at 5:56. The price is 16.50 pounds per ticket, would you like me to book it? Sentence12: Yes, please. Also, what is their phone number? Sentence13: Do you have a location preference? Sentence14: Awesome, thanks a lot. That's all I needed today. Sentence15: The phone number is 01223300085 and the address is on park street, postcode cb58as Sentence16: I will be going to Peterborough from Cambridge. Hoping to leave on Monday. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Any trains departing cambridge? Sentence2: I would recommend TR9582 leaving Cambridge at 19:11 and arriving in Kings Lynn at 19:58. Sentence3: The University Arms Hotel is a 4 star establishment. I was unable to find any expensive 5 star hotels. Sentence4: Yes, there are a lot. What day would you like to travel and where is your destination? Sentence5: I'm leaving sunday on a trip to kings lynn. I need to be there by 20:45. Sentence6: they are in the centre and the # is 01223351241 Sentence7: i will recommend university arms hotel. can i give you the contact? Sentence8: I'm also looking for a place to stay? Sentence9: Expensive. I love luxury. But I do expect free parking. Sentence10: Thanks so much. That is all I need today. Sentence11: thanks whats the phone number and area they are located in? Sentence12: Yes, that would be great. Can you book me on that train for 5 people? Sentence13: Thanks for letting us assist you today! Enjoy your visit! Sentence14: Here is the booking information:Booking was successful, the total fee is 39.2 GBP payable at the station . Reference number is : NNYALFST . Sentence15: Does the University Arms Hotel have 5 stars? I would prefer a place with 5 stars. Sentence16: There are a hotels in the expensive price range. Do you have a specific area you want to stay in? Sentence17: No i do not do you have a reccomendation? Sentence18: What is your price range? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System