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

Ex Input:
Sentence1: 07426688661 is the contact number, I have you in a grey Toyota. Sentence2: Great. Can you tell me where you will be traveling to and from? Sentence3: I need to get there by 11:45. Sentence4: That's perfect, thanks! Sentence5: I need to book a taxi please. Sentence6: You are welcome. Thank you for calling us. Goodbye. Sentence7: Can I help you with anything else? Sentence8: No, that's everything. Goodbye. Sentence9: I want to go from wandlebury country park to huntingdon marriott hotel Sentence10: Okay, I will need some more information from you. What time would you like to leave? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: What type of food is that? Sentence2: We have one expensive hotel in the east. Would you like me to book a room for you? Sentence3: Actually, can you find me a cheap place instead? Sentence4: Thank you for the booking of my taxi. That is all for now. Sentence5: I am not looking for a specific food type but I would like it to be in Centre please. Sentence6: dojo noodle bar is a cheap restaurant in the centre of town. Would you like to make a reservation? Sentence7: That is asian oriental. Is that okay? Sentence8: Where are you going? Sentence9: You mentioned earlier about the Autumn House being a guesthouse that is cheap in the east. I guess I can do a guesthouse. Let's book there please for Friday. Sentence10: im looking for the expensive price range Sentence11: Alright, I have you in a yellow volvo and their contact number is 07925575178. How else can I help? Sentence12: Booking was successful. The reference number is : RHFZM04W . Sentence13: Sure thing, what price range are you looking for? Sentence14: There will be 4 of us and we will need 3 nights starting Friday please. Sentence15: Enjoy your visit to the restaurant. Sentence16: I will also need a taxi leaving the hotel by 23:00. I will need the car type and contact number. Sentence17: I am going to the restaurant Sentence18: No, I'm sorry can you lookup a hotel in the east that's priced cheap and has free wifi? Sentence19: Sounds good. I am also looking for a place to stay in the East. Can you help me find something? Sentence20: how about one that has free parking? Sentence21: What type of food are you interested in? Sentence22: Of course! How many rooms will you require and for how many days? Sentence23: How about autumn house? Sentence24: I'm sorry, there doesn't appear to be any cheap hotels located in the east. Sentence25: No, I need a hotel please. Sentence26: I'm looking for a cheap restaurant Sentence27: Autumn house is cheap but it is a guesthouse. Is that okay? Sentence28: no I am sorry something else perhaps? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User