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

[Q]: Sentence1: I'm looking for an expensive restaurant to dine at, somewhere in the North End of the Cambridge area. Sentence2: I have many different times available. The first one leaves at 12:26 followed by 13:36, 14:36, 15:36, and so forth until 23:36. Which time would you like best? Sentence3: I'm glad I was able to help! Thank you for using the Help Desk. Have a great day! Sentence4: I have many trains leaving from Cambridge to London kings cross on Friday. What time would you like to book the train for? Sentence5: There are 5 expensive restaurants on the north side of town. What type of food would you like? Sentence6: Thanks! I also need to book a train leaving Cambridge on Wednesday. Sentence7: Any type of food is fine. Can you book a table someplace that sounds good? I need a table for 4 on tuesday at 19:30. Sentence8: Uuh... actually, I'm headed to norwich from cambridge on Wednesday. Sentence9: I apologize see that the TR5574 leaves Cambridge for Norwich Wednesday at 12:36 and arrives at 13:55. Will that work for you? Sentence10: I have booked you a table for 4 on Tuesday at 19:30 at Saigon City, on the north end of Cambridge at 169 High Street Chesterton and your reference number is JARZR20Q if you need to contact them between now and then. Sentence11: 12:26 should be okay can I please get the train ID and travel time? Sentence12: Sorry about the confusion on that, what time would you like to depart? Sentence13: Thank you for that information, that is all I need at this time. Sentence14: I would like to leave after 12:00 please, what do you have available? Question: Who has spoken the sentence 13? (A) User (B) System
[A]: Answer: (B) System


[Q]: 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
[A]: Answer: (A) User


[Q]: Sentence1: Not, at the moment. However, I would also like to find a hotel to stay with free wifi and a moderate price range. Sentence2: Do you want the reservations to begin on Friday? Sentence3: I will be departing from stansted airport and want to leave after 18:15. Sentence4: You are welcome enjoy ! Sentence5: Yes the same day please. Sentence6: Train TR5921, 44ld and leaves at 18:24 Sentence7: Where do you wish to depart from? Sentence8: yes, what is the travel time, train ID and price please per ticket Sentence9: Train TR5921 leaves Stansted Airport at 18:24 and arrives in Cambridge at 18:52 at a price of 10.10 pounds per ticket. Would you like to book this? Sentence10: There are 17 options. Do you care about area, type or star rating? Sentence11: There is one option available. It is cityroomz. Do you want to book? Sentence12: Yes, please book it for the same day for a party of 4 for 4 nights. Sentence13: I would like a 0 star hotel. Sentence14: Booking was successful. Your Reference number is : RWZ39FBX . Sentence15: Could you confirm the travel time and price please? Sentence16: I am looking for a train that leaves on Friday and goes to cambidge Sentence17: TR5921 departs the airport at 18:24 and arrives by 18:52, does this suit your needs? Sentence18: Thanks, that's all I needed today. Goodbye! Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System