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: I would just to arrive by the time for the reservation. Can I have the contact number and car type please? Sentence2: Hmm, I'm not sure. Can you pick one for me? I need it to be in the city centre. I need a phone number, postcode, and attraction type. Sentence3: I'm looking for someplace fun to visit in town. Sentence4: You're welcome have a great day Sentence5: Okay! When would you like to depart? Sentence6: Yes please 6 people, at 14:45 on Thursday. Sentence7: I booked you a black volkswagen and the contact number is 07208024782. Is there anything else I can help you with today? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : TP86DT67 . Sentence9: Sure! it's an indian restaurant located in the east. Do you want a reservation? Sentence10: Can you find a restaurant by the name of sitar tandoori? Sentence11: Well, there's lots of fun things to do including boats, museums, sports complexes, architecture, cinema and theaters. Do you have something specific in mind? Sentence12: the cambridge corn exchange is a theatre. Postcode is cb23qe and phone number is 01223357851. Sentence13: i also want to book a taxi to commute between the two places. Sentence14: No, that's all. Thanks, goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System