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

Ex Input:
Sentence1: Thanks for handling the restaurant. I will have time to check out the town. Do you have multiple sports in the same area as the restaurant? Sentence2: I need a place to dine that is expensive in the centre. Sentence3: No, that's all I needed. Thanks for your help! Sentence4: Okay, I recommend midsummer house restaurant in Midsummer Common. Would you like a reservation? Sentence5: 01223334860 is the phone number, and entrance is free. Anything else today? Sentence6: Okay, that sounds nice. Can you give me their phone number and tell me their entrance fee? Sentence7: I can help with that. Did you have a price range in mind? Sentence8: Ok, you're all set, the table will be reserved for 15 minutes and your reference number is : 48QP48K1 . Can I help you with anything else? Sentence9: Yes I would love that. I need to make the reservation for 8 people for 16:15 on Thursday. Sentence10: Why don't you try looking for a college in that area instead please Sentence11: No, there aren't any multiple sports places in the centre. Would you like me to check a different part of town? Sentence12: There are 13 colleges in the centre. I recommend downing college. Sentence13: You have a wonderful day and a great trip. Sentence14: Expensive, please. British food. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No, thank you, that will do. Sentence2: I have 8 options for you. What area are you looking for? Sentence3: Can you help me find a hotel to stay at with a 4 star rating but also in the cheaper price range? Thanks. Sentence4: Well, thank you for using the Cambridge TownInfo centre. Have a great day Sentence5: Yes for one person for 4 nights starting Friday please. Sentence6: There is rosa's bed and breakfast in the south that has free parking and internet, would you like me to book it for you? Sentence7: What places are in the south? Sentence8: I booked you a room at Rosa's Bed and Breakfast for 4 nights starting Friday. Your reference is V0HUXEUZ . Can I help you with anything else? Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System