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

Example Input: Sentence1: You're welcome, enjoy your day. Sentence2: How about Downing College? It has free admission and is located on Regent Street/ Sentence3: I'd like to visit a college in the center of town. Could you help me find something interesting? Sentence4: That sounds great! Can I have their phone number and postcode, please? Sentence5: No, that was all I needed to know. Thank you, you've been very helpful. Sentence6: Downing College's phone is 01223334860 and their postcode is cb21dq. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System
Example Output: Answer: (A) User

Example Input: 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
Example Output: Answer: (A) User

Example Input: Sentence1: Yes, we can help you with that. It is located at 82 Cherry Hinton Road Cherry Hinton. The phone number is 01223244149. Is there anything else you would like to know? Sentence2: Great! Thank you for your time. Nothing else for now, goodbye. Sentence3: No thank you I will think of something else once I call a friend. Sentence4: Can you make a reservation for 3 people at 20:00 on Tuesday? Sentence5: Great! You're booked at Peking Restaurant with reference number V6TEUN6T . May I help with anything else? Sentence6: Hi I am looking for some information on the good luck chinese food takeaway. Sentence7: I am sorry Booking was unsuccessful for that time, can I help you find a place in the same area and type of food? Sentence8: Thank you for using our system. Sentence9: Yes actually. I'd like the reservation for any other restaurant that is in the same area and price range as The Good Luck Chinese Food Takeaway. Sentence10: Is there anything else I can help you with? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User