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

Ex Input:
Sentence1: I'm sorry. I changed my mind. I don't want a guesthouse. Are there any hotels with 2 stars? Sentence2: Great that was all I needed today, thank you. Sentence3: Is there a particular area you would like to stay in? Sentence4: There isn't a guesthouse with 2 stars and free internet available. Is there another type of hotel I can look up for you? Sentence5: Great Glad I could be of help to you. Sentence6: I have you booked in the Ashley hotel. Your reference number is CW6YMT0B . Is there anything else I can do for you today? Sentence7: No, just any 2-star hotel with free wifi will do. Sentence8: Hi, I need a guest house please. Sentence9: Do you have a specific location you want to be? Sentence10: No, but I need free wifi and I would like a 2 star guesthouse please. Sentence11: I have 3 guesthouses all in the moderate price range. Would you like me to choose one for you? Sentence12: I found 3 for you all in the expensive price range. Can you please give me the details so that I may book it for you? Sentence13: Yes, how about a guesthouse with 3 stars and free wifi instead? Sentence14: I would like it for 6 people for 2 nights starting on Wednesday. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Can you verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I was able to book a taxi for you. Be looking for a yellow Skoda. If you need to reach them, please call them at 07550666183. Is there anything else? Sentence2: There are a range of attractions in the south, including parks, nightclubs, a museum, a theatre, a cinema, and more general entertainment venues. What sort of attraction are you interested in? Sentence3: Sure, I need a table for 8 at 17:15 on Wednesday, please. Sentence4: That sounds very nice. Can you book me a taxi or car service between those two places? I'd like to arrive by my reservation time, please. Sentence5: I would like Chinese or Mexican restaurants Sentence6: Yes, the byard museum is reachable at 01223464646, they have free admission and are located at 14 king's parade, any other questions? Sentence7: I need a place to eat in the south that's expensive. Sentence8: A museum sounds great. Can you get the phone number for one? Sentence9: Thank you, what places can you go to that are in the same area? Sentence10: Thank you for using our service. Have a good day. Goodbye. Sentence11: There are Chinese, Indian, Italian, and Mexican restaurants that fit that criteria. Do you have a preference? Sentence12: How about chiquito restaurant bar? It's an expensive and delicious restaurant in the south. Sentence13: That would be all, thanks! Sentence14: Okay, I was able to reserve that table for you. Your reference number is XAL5QLX9 . Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System