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 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: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I will be in the north part of town. I'm looking for a place to go. I might even want to go swimming. Any suggestions? Sentence2: Sorry, I am leaving peterborough. Sentence3: What is the day of travel? Sentence4: I have 2 pools in the north. I think you may like Jesus Green outdoor pool. Would you like their information? Sentence5: Yes I need a train on Thursday to go to Cambridge. Sentence6: That's perfect I think. Please reserve 7 tickets for my group, and let me know the reference number when you have one. Sentence7: No, you have helped tremendously. Thank you. Sentence8: We have many trains that match your request, is there a specific time you want to leave by? Sentence9: The Jesus Green outdoor pool's phone number is 01223302579, postcode is cb43px and the address is between victoria road and the river. May I provide any further assistance? Sentence10: I don't want to get there too early. What is the train that will get me there nearest to 13:30. Sentence11: Thursday, and it should arrive by 13:30. Sentence12: Where would you like to leave from? Sentence13: TR3798 gets there at 13:09. Sentence14: Yes. Can I have the postcodes, phone numbers, and addresses? Sentence15: Thank you! Have a good day. Good bye. Sentence16: Okay great! Your reference number is EOQ7QISL, is there anything else you need? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:

Answer: (A) User