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

Ex Input:
Sentence1: You have been very helpful. Thank you. goodbye. Sentence2: Yes I certainly can! Your reservation was successful and your booking reference is 5F3KBH78 . Sentence3: Can you make reservations for 6 at 14:30 on Thursday? Sentence4: The J restaurant serves cheap asian oriental food in the centre of town. Their phone number is 01223307581. The address is 86 Regent Street City Centre. Sentence5: Can you tell me about the J Restaurant? Sentence6: Glad to help. Have a great day and enjoy your meal. Good bye. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: There is a moderate priced Indian Restaurant located on the east side, would you like that address? Sentence2: That's it, thanks. Good bye. Sentence3: Thank you for calling. Goodbye. Sentence4: Yes please, could I have the address, phone number, and postcode of the venue? Sentence5: located in the east side Sentence6: Hi, I want a moderately priced restaurant. Sentence7: curry prince's address is 451 Newmarket Road Fen Ditton, their postcode is C.B 5, 8 J.J. Their phone number is 01223 566388 Sentence8: There are several restaurants in the moderate price range. Do you have a preference for the type of food or part of town? Sentence9: Thank you. Sentence10: You're welcome. Anything else I can help you find? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: thank you that will be all Sentence2: What cuisine do you want? Sentence3: What day and time do you need to travel? Sentence4: We have nine Indian restaurants in the center. Does price range matter? Sentence5: I would like Indian cuisine please. Sentence6: Hello, I need a place to eat in the center of town. Sentence7: thanks, I'll also need a train from cambridge to kings lynn. Sentence8: The TR1854 leaves for Kings Lynn at 10:11. Would you like me to book you? Sentence9: Ok, you are all set for Friday at 18:30. They will hold the table for 15 minutes. Your reference number is VC2RCPYE . Sentence10: Yes. 7 people on Friday. 18:30. Sentence11: May I suggest The Gandhi? It is in the center of town, its on the cheaper, most affordable price range, and it serves great food. Sentence12: I would like a cheaper place please. Sentence13: That would be great, thank you! Sentence14: I'll be traveling on Monday. I'll be leaving after 9:15. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:

Answer: (A) User