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

[EX Q]: Sentence1: Ok. I was able to book the table for three. Your reference number is 0FOAJA8A . Sentence2: Okay thank you. What time would you like to leave? Sentence3: ok, thank you and enjoy your stay! Sentence4: I'm travelling from norwich. Sentence5: I need to catch a train to get to the restaurant. Can you help with that too? Sentence6: There are 21 restaurants matching your criteria. Is there a type of cuisine that interests you? Sentence7: TR4387 arrives at 07:35, would that work for you? Sentence8: Let's go with Pizza Express, can you book for 3 at 13:30 on thursday please. Sentence9: You'll have to tell me where you are departing from? Sentence10: I need to arrive by 8:00. Sentence11: There are 2 choices, pizza express serves Italian food with a moderate price range, or pizza express Fen Ditton also in the moderate price range. Which shall I reserve? Sentence12: which day do you want to travel? Sentence13: Possibly Italian if that's available for 3 people on Thursday at 13:30. Sentence14: Booking was successful, the total fee is 52.8 GBP payable at the station .Reference number is : 5K7P12XZ . Sentence15: Please list all restaurants in Cambridge centre in the moderate price range. Sentence16: Thank you so much, If you can please leave a review for us. I hope your trip is amazing and very enjoyable. Sentence17: Yeah could I get three tickets please? Sentence18: I want to get there thursday please. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: There are five total parks in Cambridge, four of which are free. The University Botanic Gardens cost 4 pounds to enter. Sentence2: Thank you for your help. Sentence3: Please help me find general information about park type places to go in Cambridge. Sentence4: May I please have the phone number, postcode, and area of a free park that you recommend? Sentence5: I have cherry hinton water play,located in the east and the post code is cb18dw. Here is the phone 01223446100. Sentence6: Have a nice day! Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The phone number is 01223420060 and the post code is cb46az. Sentence2: Ok. I booked four tickets for you. Your reference number is FRSZ5A8R . Can I help you with something else? Sentence3: Yes. Book for 4 people. Sentence4: I would like the phone number and postcode for it please. Sentence5: What information are you looking for? Sentence6: Sounds great, before i let you go, I just want to make sure we have covered everything that you need. Sentence7: yes you did Sentence8: TR6806 will leave at 10:01 and arrive at 11:01. The trip will take 60 minutes and it will cost 17.90 pounds. Would you like to book? Sentence9: Thank you! That's all I needed, thanks so much. Sentence10: enjoy your stay in Cambridge! Sentence11: I'm going from cambridge to broxbourne any time after 09:15. Sentence12: I show 404 rail departures on Thursday, can I get something specific for you? Sentence13: I want a train leaving on thursday. Sentence14: Im also looking for a place by the name of milton county park. Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]:
Answer: (A) User