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 sorry the full address isn't listed would you like there postcode and phone number? Sentence2: They are on Wheeler street and phone is 01223357851 Sentence3: No but I also need a hotel called university arms hotel. Sentence4: It is a theatre located in the centre on wheeler street. Sentence5: Can you provide their full address please? Sentence6: I'd like to visit an attraction called the Cambridge Corn Exchange. What can you tell me about it? Sentence7: I was able to find university arms hotel located at regent street. Would you like me to book a room for you? Sentence8: Before we do that, what type of attraction is the Cambridge Corn Exchange? I don't know too much about it. Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: i want to find a hospital in town Sentence2: No, can I get the phone number, address, and postcode? Sentence3: welcome. at your service next time Sentence4: Addenbrookes Hospital is nearby, at Hills Rd, Cambridge. Do you need a particular department? Sentence5: you are always welcome Sentence6: Great, that's all I need today! Thank you! Sentence7: The phone number is 01223245151, The address is Hills Rd, Cambridge. The Postcode is CB20QQ. Sentence8: Thank you for your help. Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Thank you for contacting Cambridge TownInfo centre. Have a nice day! Sentence2: Yes, I will be leaving at 16:30 from Bedouin. Sentence3: A grey toyota will be picking you up. Do you also need the contact number? Sentence4: I need a 16:30 taxi. Sentence5: I have booked your taxi Sentence6: Yes, please. I need it in case there is a problem. Sentence7: I'd be happy to help with your request, will you be leaving at 16:30 and what is your departure site? Sentence8: I am going to london liverpool street train station. Sentence9: No problem.The contact number is 07357977369. Can I help with anything else? Sentence10: Great. And what is your destination? Sentence11: No thank you. Sentence12: Thank you very much. Question: Who has spoken the sentence 3? (A) User (B) System

A:
Answer: (B) System
****