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

Sentence1: I am sorry but you will have to get ticket there and here is the address 251a chesterton road. Sentence2: Do you want me to make a booking? Sentence3: I'm seeking an attraction! A boat one will be nice. Sentence4: Yes please! Thank you so much! Sentence5: Great! I have four for you. Two are in the centre. Any location you'd like in particular? Sentence6: Sure, I can get tickets for the cambridge punter in the city centre. If that sounds okay, what day and time would you like? Sentence7: I am also looking for the Oak Bistro, a place to eat. Sentence8: No, I'd like the name of one in the centre please. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

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
Answer: (A) User

Sentence1: Great! Can I have the address and phone number, please? Sentence2: Could i get the postcode, please? Sentence3: Could you help me find a place to stay? I need a place in town that offers free parking and free wifi. Sentence4: I have found Restaurant One Seven within your range. Would you like for me to book it? Sentence5: Are any of them a guesthouse in the moderate price range? Sentence6: Is there a specific type of food you would like to eat? Sentence7: Yes! The Acorn Guest House is very popular. Would you like more information on that hotel? Sentence8: I am also looking for a place to dine. Sentence9: The address is De Vere University Arms Regent Street City Centre and the phone number is 01223337766. Have a great night! Sentence10: I am showing 25 entries, maybe we can narrow it down a bit. What price range and part of town are you looking for. Sentence11: Yes, I would like british food in the moderate price range please. Sentence12: The postcode for the acorn guest house is cb41da. Question: Who has spoken the sentence 10? (A) User (B) System

Answer: (A) User