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 have pulled up City Stop Restaurant. What information do you need? Sentence2: I would like to book a table there for 4 peole on saturday at 19:45. and can i please get a reference number? Sentence3: Alright, thank you very much. That's all I need for now. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : OMKMNJEM . Sentence5: I am looking for information about city stop restaurant? Sentence6: You are welcome. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I hear its a pretty cool place. Can I get their postcode please? Sentence2: Yeah, I need a place to stay on the south side. 4 stars if possible. Sentence3: Postal is cb17sr, they do include internet and they can be reached at 01223240089, can I help with anything else? Sentence4: i am looking for a particular attraction. Its name is called soul tree nightclub. Sentence5: You're welcome! Have a great day! Sentence6: Can you book me a stay at The Aylesbray Lodge? Sentence7: The Soul Tree Nightclub is located in the area of centre. It has an entrance fee of 4 pounds. The phone number is 01223477900. Anything else? Sentence8: The postcode is cb23qf. Do you need anything else? Sentence9: You have a great day as well! Sentence10: Thanks for using our services. Sentence11: Sure! How many are staying, how many days, and what day do you want the stay to start? Sentence12: That was everything, thanks a lot! Sentence13: No I just need the postcode, phone # and if they have internet Sentence14: We have two guesthouses that are 4 stars in the south end, The Aylesbray Lodge Guest House is moderately priced, and Rosa's Bed and Breakfast is in the cheap range. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Alright I found two options for you an expensive one and a cheap one. Which would you prefer to book? Sentence2: There are a lot of trains going to cambridge, where are you leaving from and what day? What time do you want to leave? Sentence3: Reference number is J9Z5CBKI . Is there anything else? Sentence4: I would like to book the 5:29 for 7 passengers if that is available. Sentence5: I would like to stay on the west side and also need free parking. Sentence6: Yes, please. 7 people for 3 nights on Monday. Sentence7: I would recommend the Hungtingdon Marriott Hotel. It's expensive and in the west. It's 4 star rated and offers free wifi and parking. Do you need a room? Sentence8: Booking was successful, the total fee is 70.7 GBP payable at the station. Reference number is : IUNU69VQ . Can I help you with anything else today? Sentence9: Thanks. i also need a hotel to stay and should include free wifi Sentence10: That is all, thanks for your assistance. Sentence11: I don't have a preference. What do you recommend? Sentence12: I will be departing from Bishops Stortford on Monday and need a train that will leave that Monday from Bishops Stortford to arrive Cambridge by 10:30. Sentence13: I need a train going to cambridge. Sentence14: Okay, what area would you like to stay in? Sentence15: You are more than welcome. Goodbye. Sentence16: There are three trains that would work. The earliest leaves at 5:29, the latest leaves at 9:29, arriving at 10:07. Which should I book for you? Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:

Answer: (B) System