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

Input: Consider Input: Sentence1: Sure. What area would you like to stay in? Sentence2: yes postcode is cb39lh Sentence3: I'd like to stay on the westside, at a place with free parking and WiFi. Sentence4: Can you help me find a moderately priced place to stay? Sentence5: There is the Hobsons House. It is nice and is a 3 star guesthouse. Sentence6: Could you give me the postcode. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: How about the Ashley Hotel? It is on the north side of town, has 2 stars, free wifi and parking, and is moderately priced. Sentence2: Is that a 2 star hotel? Sentence3: Are there any available for less than $200 a night? Sentence4: Unfortunately, the rooms are unavailable for that day and time. Can I try a shorter stay for you or possibly a different day? Sentence5: Of course! The reference number is QZYSOMAW and the address is 74 chesterton road. May I help with anything else? Sentence6: No, it has 4 stars Sentence7: Can you make a reservation for 6 people for 3 nights starting on Wednesday. Sentence8: Yes, I was able to successfully book you for two nights. Is there anything else you need? Sentence9: The only 2 star hotels are in the north or the east. Do you mind staying in one of those areas? Sentence10: Nope, that's all I need. Thanks for your help! Sentence11: Can I have the reference number and address please? Sentence12: How about for 2 nights? Sentence13: We're glad to be of service, and please do not hesitate to contact us if you need more help while you're in Cambridge! Sentence14: Yes that would be fine with me Sentence15: There are several. Alexander Bed and Breakfast is cheap and is in the Centre. Would you like me to book that? Sentence16: Let's try a hotel type with free parking in the centre of town with a star of 2. Sentence17: Are there any rooms available in hotels with free parking? Sentence18: how about for 2 nights? Sentence19: Yes. Do you have a preference for the hotel's area or price range? Sentence20: I'm sorry. I have no 2 star hotels in the center of town. However, I have some in other parts of town. Would you care to modify your search criteria? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: No they serve Chinese food. Would you like me to search for Italian food? Sentence2: I also want to eat at a cheap place in the center area. Sentence3: Yes that would be great. I'd love for you to book me a table for 1 person at 18:45 on Saturday. Sentence4: I would like one located in the centre of town if possible. May I please have the phone number? Sentence5: I'm looking to go to a park, can you suggest any? Sentence6: Booking was successful. The table will be reserved for 15 minutes.Reference number is : ZLQ7OVEV . Sentence7: I have the cambridge university botanic gardens. There phone number is 01223336265. Can I help you with anything else today? Sentence8: There are 5 different parks in the city. What area of the city are you wanting to visit? Sentence9: Thank you, that's all I need today. Sentence10: I would suggest charlie chan Sentence11: Do they serve Italian food? Sentence12: Thank you; please consider us for your future travel needs. Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User