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

Ex Input:
Sentence1: i am sorry. i have double checked and still do not find anything matching your criteria. would you like a different star rating? Sentence2: I can help with that. What kind of price range do you have in mind? Sentence3: there are a variety of good things in the north it depends on what you want i will find whatever you request Sentence4: There doesn't appear to be a 4 star hotel with wifi in the north. Can I interest you in a lower star rating? Sentence5: i need a hotel with wifi in the north part of town Sentence6: Perhaps there is a guestroom? Sentence7: No but would you like to try another location ? Sentence8: No, the hotel needs to have a 4 star rating. Can you please check your system again? Thanks Sentence9: I am open as far as price range, but I would love a 4 star place. Sentence10: No I need the north. Is there anything else available in the north? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks, I'm also looking for some places to go in the centre. Sentence2: There are 44 different attractions in the centre. Can you narrow down your choices? Sentence3: Ok. And where are you leaving from? Sentence4: The phone number for All Saints Church is 01223452587 and they are located on Jesus Lane. They do not charge an entrance fee. Can I do anything else for you? Sentence5: I think whatever you think is the best place, just choose that. I am not picky. Sentence6: No, that will be it. Thank you so much for your help! Sentence7: I would want to find a train going to Cambridge. Sentence8: it should arrive by 11:15. get me the price Sentence9: Thank you for using our service! Sentence10: Okay, there are 10 trains available. Do you have a departure or arrival time in mind? Sentence11: The train should leave on wednesday and should depart from ely Sentence12: that sounds lovely, what is their phone number, address and any entrance fee's? Sentence13: TR2006 is leaving at 11:35 and costs 4.40 pounds. Sentence14: Perhaps you would enjoy seeing All Saints Church on Jesus Lane? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes do you have the name of the hotel? Sentence2: Booking completed! Expect a red Ford to pick you up at the hotel at 10:30. Their contact number is 07439027429. Can I assist you otherwise? Sentence3: It is in centre of town and has 4 stars and is priced expensive. Sentence4: I have booked it here is the information:Booking was successful. Reference number is : 4AHCO6OI . Sentence5: Hi, can you give me some information on a particular hotel? Sentence6: The post code for nusha is cb17dy. I'm checking on your taxi reservation. Sentence7: I need 3 nights starting on Thursday. Should have enough room to accomodate 4 people. Sentence8: What nights are you looking to stay so I can check the availability? Sentence9: Ok, thank you. I will need to know what kind of car is picking me up. Sentence10: It's called the University Arms Hotel. Sentence11: Okay, please provide me with the postcode, and also I want a taxi to take me there. It should leave the hotel by 10:30. Give me car type and contact number Sentence12: No, but thanks for all your help! Goodbye! Sentence13: There are two entertainment attractions in the south. I suggest nusha. Sentence14: can you try entertainment ? Sentence15: Great, can you help me find a multiple sports place to visit in the south also? Sentence16: I'm sorry, there are no multiple sports venues in the south part of town. Would you like to try another area or attraction? Sentence17: Have a great day! Sentence18: I'd like to book a few rooms for Thursday. Are there rooms available? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System