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

Ex Input:
Sentence1: Yes, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Price range doesn't really matter, but I do want a 4-star place with free parking and internet. Sentence2: I have 19 hotels that match that criteria. please be more specific about the area of town where you'd like to stay Sentence3: Do you prefer a formal hotel, or a guesthouse? Sentence4: OK, what price point do you want me to look for? Sentence5: Booking was successful at the alexander bed and breakfast. Reference number is : MDB2AV4K Sentence6: i need a place to stay Sentence7: The area doesn't matter. Please book for 6 people on Saturday with 4 nights stay. Sentence8: Can you give me a suggestion for a hotel and make that reservation please? Thanks. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Do all of them have free parking as well? Sentence2: It's just me. I am arriving Sunday and staying one night. Can you provide the phone number for the restaurant? Sentence3: I am looking for a place to stay. I needs to have moderately priced rooms and reside somewhere in the east part of town. Sentence4: The Rajmahal is fine. You said the phone number is 01223244955? Sentence5: That was a guesthouse, all 3 options are guesthouses. Sentence6: Thanks, you too. Sentence7: There are 3 places that fit your needs. A and B Guest House, Carolina Bed and Breakfast and Warkworth House. Would you like to book with any of these? Sentence8: The number for Rajmahal is 01223244955. Sentence9: My pleasure. Have a good day. Sentence10: Both Warkworth House and Carolina Bed and Breakfast have parking available. Shall I make a booking? Sentence11: Yes, there are 4 different Indian restaurants in that area. Sentence12: Ok, of those 4 is there one that is moderate priced? Sentence13: Curry Prince and Rajmahal are both moderately priced. Which one could you like? Sentence14: Do any of those places have free wifi? Sentence15: No, thank you, you've been a great help. Sentence16: Yes, that's the correct number for the restaurant. Is there anything else I can do for you? Sentence17: Is there one with free parking? Sentence18: All three have WiFi. Can I book one for you? Sentence19: Can you please book a one bedroom at Warkwoth house and I also am looking for a restaurant that serves indian food in the same area. Sentence20: Yes, warkworth, has free parking! Sentence21: Before we make your restaurant reservation, let's take care of the hotel. What day are you arriving, how many nights are you staying, and how many people? Sentence22: One person on Sunday at 17:00 please. Sentence23: You are welcome, goodbye! Sentence24: What date, number of days, and number of people would you like to book at Warkworth house? Sentence25: Are there any Indian restaurants around that hotel? Sentence26: I apologize. I seem to be a bit ahead of myself today. What kind of hotel was the Warkworth house? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System