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'd like to find a 4 star guesthouse, please. Sentence2: The Place is a great nightclub in the south, located at 22 sidney street, post code cb23hg. The phone number is 01223324600. Is there anything else I can help you with? Sentence3: Yes, book it for me please. Thank you. Sentence4: It does not really matter. It will be just me starting on Friday for 3 nights. Sentence5: What attractions do you have in the south? Sentence6: I have found 18 guesthomes that match the criteria you listed. Is there any other specifications you have about the guesthouse (area,price range,etc) that you would like to tell me? Sentence7: Unfortunately, the booking was unsuccessful. Would you like to shorten your stay or try another place to stay? Sentence8: arbury lodge guesthouse is a moderately priced guesthouse in the north. How does that sound? Sentence9: The arbury lodge guesthouse is in the moderate price range. Sentence10: We have 8 types of attractions in the south? What type are you looking for? Sentence11: Sure, is there an area you prefer? Sentence12: I have to have free wifi Sentence13: I would like a room that is close to the nightclub for atleast 1 night up to 3 nights? Sentence14: Hmm, I'm not really sure. Do you happen to have any nightclubs? If not, what are my choices? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I'm going to saint johns chop house. Sentence2: What is your destination? Sentence3: The contact number is 07727071722. Is there anything else I can help you with? Sentence4: I can help you with that. When do you need to leave? Sentence5: No that is all Thank you goodbye. Sentence6: I need the contact number please. Sentence7: Your taxi is booked. Look for a yellow Volkswagen. Sentence8: Please call us anytime. Good Bye. Sentence9: I need to get a taxi out of holy trinity church. Sentence10: I need to arrive at the chop house by 22:30. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: It was at 17:00, quite a bit before 18:45. Would you prefer a later booking? Sentence2: Yeah, the entrance fee is 5 pounds, and the postcode is cb23na. Sentence3: I am sorry but there are no multiple sports in the centre area. Do you want me to try a different area or a different attraction? Sentence4: Okay. You'll be expecting a blue Ford. Their number is 07043795737. Anything else? Sentence5: When would you like to be picked up? Sentence6: I think that would work. Can you tell me their entrance fee and postcode please? Sentence7: No thanks, but can you book me for 3 people and 5 nights starting on saturday? I'll also need the reference number. Sentence8: How about let's try a nightclub? Sentence9: Im looking for a place to go in the centre area with multiple sports. Sentence10: Was that taxi booking for leaving by 18:45? Sentence11: I just need to arrive at my attraction by 18:45. Can I get the car type and contact number please? Sentence12: It's a blue ford and the contact number is 07043795737. Sentence13: Thank you for using the help desk! Good bye! Sentence14: Hello, I'm looking for a hotel named cityroomz. Can you provide me information about it please? Sentence15: at 17:00 hours please Sentence16: I booked it for you. The reference is L30FIVE7 . Do you need anything else? Sentence17: Yes. It's a 0 star hotel that's located at sleeperz hotel, station road in the centre of town. Would you like their phone number as well? Sentence18: Can you book me a taxi between the two locations please? Sentence19: Thanks for your help! Sentence20: Yes I found 5 nightclubs. Would like to try the Ballare located at Heidelberg Gardens, Lion yard? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User