You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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: Answer: (A) User
Why? The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input: Sentence1: yes sure its 56 saint barnabas road Sentence2: You are welcome, enjoy your stay. Sentence3: In the Centre is fine. Can you please check to see if any offer internet? Sentence4: Is there anything else I can help you with? Sentence5: The booking was successful. The table will be reserved for 15 minutes. Your reference number is : 23DPN5A7 . Is there anything else I can do to assist you? Sentence6: I would like a 4 star guesthouse with free parking. Sentence7: Thank you for all your help. Have a great day!! Sentence8: I have one entry for bangkok city would you like more information? Sentence9: It is expensive. Do you need something less expensive? Sentence10: Okay. What area are you interested in and what is your desired price-range? Sentence11: There are 16 four-star guesthouses with your requirements. Are you looking to stay in the centre of town? Sentence12: Yes, please. Is it expensive? Sentence13: A grey lexus is booked for you. The contact number is 07699737690. Sentence14: I see one option here. It is alexander bed and breakfast. Would you like to book? Sentence15: Does the hotel also offer internet? Sentence16: I'll need a taxi to take me to bangkok city from the hotel and arrive by 11:00. Sentence17: I also need a place to stay Sentence18: I'd like to find a Thai restaurant in the center. Sentence19: I do not want to book it at this time. Sentence20: No, that is perfect. I would like to book a table for 5 people on Wednesday at 11:00. Sentence21: Yes, alexander bed and breakfast has Internet. Do you want to book it? Sentence22: What is the address of the guesthouse? Question: Who has spoken the sentence 8? (A) User (B) System
Solution:
Answer: (A) User