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 can definitely help you out with that. Is there a certain area of town you'd like to stay in? Sentence2: I have booked your stay at the Alexander Bed and Breakfast for Friday for 3 days for 6 people. Your reference number is DJF36WMD . Is there anything else I can help you with today. Sentence3: The train ID is TR9629, leaving at 18:09 and arriving by 19:54. Can you tell me how many tickets you would like to purchase? Sentence4: I'd like one ticket please. Sentence5: I will need to take a train from Leicester on the same day as my hotel booking. Sentence6: I am looking for a cheap hotel with free parking. Sentence7: All trips from leicester cost 37.8 pounds and take 105 minutes. Is there a specific time you would like to depart or arrive by? Sentence8: Alexander bed and breakfast is a guesthouse in town centre in the cheap price range. It has both free parking and wifi. Would you like to book a room? Sentence9: We will be arriving on Friday and staying 3 nights. Sentence10: I will need to know how many nights and what day you will be starting your stay before we finish the booking. Sentence11: I do not. I just need the train ID and what arrival time it has. Sentence12: Alright I've booked you one ticket, the total will be 37.79 and your reference number is PGY0G1J2 . How else can I help you? Sentence13: Sure, you need a taxi to Alexander Bed and Breakfast from where, and do you have an arrival time request? Sentence14: Can you please schedule a taxi to take me from the station to my hotel? Sentence15: Thank you for your help. Sentence16: I need to leave after 17:45 heading for Cambridge. Go ahead and book the closest time and give me the train ID and arrival time. Sentence17: The train arrives by 19:54 and TR9629 is the train id. Sentence18: Is there anything else I can help you with? Possibly entertainment or places to visit on your trip? Sentence19: I would prefer to be in the centre of town, and I need the hotel to include free parking. Sentence20: Yes, please. That sounds perfect. There will be six of us. Question: Who has spoken the sentence 12? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm looking for a train that departs cambridge on saturday. Any ideas? Sentence2: I would like to leave after 16:30 and would like to go to kings lynn. Sentence3: Yes please and I'll also need the postcode. Sentence4: I am not showing any hotels with 1 star that have free parking, would you like to look for something else? Sentence5: We have three 4 star hotels that provide free internet and free parking. Is there an area you would prefer to stay at? Sentence6: the postcode is cb236bw. it is a hotel in the cheap price range. when would you like to stay from, how many people, and for how long? Sentence7: Alright, are there any 1 star hotels that offer free parking? Sentence8: There are 202 trains that leave Cambridge on Saturday. Sentence9: I recommend The Cambridge Belfry, a cheap 4-star hotel on the west side. Would you like to reserve a room? Sentence10: I'm interested in the earliest one. What is the train ID? Sentence11: Sorry, no, I do not see any one star hotels with free wifi. Would you like to try another option? Sentence12: That's the TR2840. Sentence13: That was all I needed. Thank you. Sentence14: Are there any with 4 stars? Sentence15: There are 7 trips that would work. The earliest leaves at 17:11 and the latest leaves at 23:11. The train ride will be 47 minutes. What would you prefer? Sentence16: The cambridge belfry is a hotel, not a guesthouse. May I help with something else? Sentence17: Does any of them have free wifi? Sentence18: You're welcome! Have a great day. Sentence19: I need the postcode, hotel type, and price range for The Cambridge Belfry. Sentence20: I need more information on the number of nights and people. Sentence21: Any place is fine, I go with whatever you recommend. Sentence22: Forget about booking it, just please tell me what type of hotel it is. Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Yes I am looking for an expensive restaurant that serves modern european food in the centre. Sentence2: Darry's Cookhouse and Wine Shop meets all of these requirements. Would you like me to reserve a table? Sentence3: Can you get me the phone number please? Sentence4: Certainly, The Man on the Moon's phone number is 01223474144. Do you need information about anything else? Sentence5: Hi! I am so excited to be traveling to Cambridge. Would you please help me look for a place to eat while I am there? Sentence6: There are 100 restaurants in Cambridge! Do you have a food type preference? Sentence7: No I do not need any more info Thanks Sentence8: Also, I am looking for a multiple sport attraction in the same area. Can you help? Sentence9: The man on the moon is located at 2 norfolk street, postcode cb12lf. Do you need the phone number as well? Sentence10: No. Hmm. What about a concerthall? Sentence11: I would also like the address and postcode for The man on the Moon concert hall. Sentence12: The phone number for The Man on The Moon is, 01223474144. Is there anything else I can do for you? Sentence13: The Man on the Moon is a concerthall in central Cambridge. It is located at 2 norfolk street, postcode cb12lf. Is there anything else I can do for you? Sentence14: Yes I will need the phone number please. Sentence15: We don't have any sports attractions in this area. Is there another area I can help you with? Sentence16: Yes certainly. The address is 40270 King Street City Centre, postcode cb11ln. Their telephone number is 01223505015. Sentence17: No, but can you give me the phone number and address including postcode please? Sentence18: If you need anything else, please contact us. Have a good day. Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]:
Answer: (A) User