You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution is here: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this: Sentence1: I will be leaving from Broxbourne. Sentence2: That works, can you book seats for 4 on that and give me the reference number? Sentence3: Cambridge contemporary art is very edgy. The address is 6 trinity street, postcode cb21su, and it is free. Do you need more information? Sentence4: There is a 09:32 that would arrive by 10:32 for 17.90 pounds. Does that sound good? There are other options if you'd like to leave later. Sentence5: We have lots of museums, architecture, and colleges. What would you be most interested in? Sentence6: My first choice, actually, is not a museum, but an entertainment attraction. What type of entertainment attractions are available? Sentence7: There are 11 museum in the city centre. Is there a particular type of museum you're interested in? Art? Science? Sentence8: I would like a museum. Sentence9: Booking was successful, the total fee is 71.59 GBP payable at the station . Reference number is : BIBTGCNA . is there anything else i can help you with? Sentence10: You know, on second thought a museum may be fun. Could you search listings for a museum in the centre? Sentence11: Do you have any suggestions for entertainment that are in town center? Sentence12: We don't have any in centre. Maybe a different part of town? Sentence13: No thank you that is all I needed today. Sentence14: Where will you be leaving from? Sentence15: There are 11 in the centre is there a type of museum you'd like to visit? There are many art galleries and some science museums. Sentence16: Enjoy your visit! Let us know if we can be of any more assistance. Sentence17: Hey planning on coming out there. Please suggest a train that would arrive in cambridge at 12:30! Sentence18: Art sounds good. Let's try that. Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System