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

Sentence1: The address for that is 6 trinity street. Sentence2: I don't need to make the reservation now. Thank you though. I would like the address for Cambridge Contemporary Art please. Sentence3: Can you help me find a train coming from cambridge leaving on thursday? Sentence4: How many tickets please? Sentence5: I want to arrive by 21:30 if possible. Sentence6: Yes I have many options. What time would you like to leave or arrive by? Sentence7: Train TR3255 is arriving at 21:06,is that okay for you? Sentence8: Thanks for using our service today, glad I was able to assist you. Hope you have a great day. Sentence9: That could work for me. Sentence10: thank you, that will be all. good bye. Sentence11: I will be going to Leichester. Sentence12: There are 202 trains departing Cambridge on Thursday. Where do you plan to head to that day? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: I'd like to find some place to go on the east side of town. Sentence2: Thank you. Have a good day, goodbye. Sentence3: I can certainly suggest something for you. I have 10 options. Do you prefer an entertainment venue, or perhaps a museum or park, etc? Sentence4: Sounds great. That's all I needed. Thank you! Sentence5: I would prefer just anything in the east, can you give me the address and attraction type of one? Sentence6: No problem. How does the Funky Fun House sound? It is standard entertainment and it is located at 8 mercers row, mercers row industrial estate. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: I apologize. I have doubled checked and there is no entertainment venues in the centre. The entertainment venues that I do have are located in the east, south and west. Sentence2: I would also line places to go that is entertainment and should be in the centre of town. Sentence3: I would like to take a train from Cambridge to Kings Lynn. Sentence4: Train 8665 leaves Cambridge at 17:11 and arrives in Kings lynn at 17:58. How does that sound? Sentence5: I have booked that for you! The reference number is C63RMSDC and you will owe 31.36 at the station. Do you need anything else? Sentence6: I'm quite sure that there are colleges in the centre of town. Can you ask a manager to help you look? Sentence7: Leave after 17:00 on Sunday. Sentence8: What day and time? Sentence9: Great. Please book it for 4 people. Sentence10: Yes there is. I saw it in the pamphlet. Check again please. Sentence11: Okay there is the Christ's College located at Saint Andrew's Street and it's free. Also Corpus Christi College, King's Parade cost 2 pounds. Sentence12: I'm sorry, there are no such places. Can I change your search criteria? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User