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'd like to dine in the center of town, please. Sentence2: Could you give me the address and phone number for the Slug and Lettuce please. Sentence3: I'm looking for a place to dine that serves gastropub food. I want it to be expensive. Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: The slug and lettuce is located at 34 - 35 Green Street, postcode cb23ju. I'm sorry our system does not list their phone number. Is there anything else? Sentence6: I have two in the centre, the Backstreet bistro and The Slug and Lettuce. Would you like for me to make you a reservation? Sentence7: I wish you could provide their phone number. But other than that you've given me everything I need to know. Thank you goodbye. Sentence8: We have 3 options in Cambridge for expensive gastropub food. Would you prefer a place in the centre or in the east? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I'd like to find a panasian restaurant in the centre of town please. Sentence2: Can I have the phone number, address and postcode? Sentence3: Tang Chinese is listed at expensive. Would you like more information? Sentence4: Yes, the address is Napier Street City Centre, the postcode is cb11hr, and the phone number is 01223357187. Sentence5: No, I don't care about the price. Which one looks good? Sentence6: That's all I needed today, thank you. Sentence7: Unfortunately, I was not able to locate a panasian restaurant in that area. Would you like me to look in another area or for a different type of restaurant? Sentence8: Great choice! We have 10 restaurants in that area. Do you have a preference on price? Sentence9: Oh no. Well I'll take chinese food then. Sentence10: Enjoy your meal, let me know if I can help with any thing else. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I am looking for the addresses of each of the moderately priced restaurants in the south part of town. Sentence2: The address for Pizza Hut Cherry Hinton is G4 Cambridge Leisure Park Clifton Way Cherry Hinton and the address for Restaurant Alimentum is 152 - 154 Hills Road. Sentence3: There is restaurant alimentum which is a modern european restaurant located in the south part of town and is in the moderate price range. Sentence4: Is there anything else? Sentence5: No thank you good bye Sentence6: Thank you for using our system. Goodbye. Sentence7: Restaurant Alimentum's address is G4 Cambridge Leisure Park Clifton Way Cherry Hinton. May I help you with anything else? Sentence8: Could you give me the address for Restaurant Alimentum? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User