instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: Your booking was successful! Your reference number is EV4ADBI9 . Sentence2: I need it for Sunday. Sentence3: Yes. Let's book it. Sentence4: I would like it to be in the west. It doesn't matter if it has free parking or not. Thank you! Sentence5: There are four three star guest houses. Is there an area of town that interests you the most? Sentence6: Train TR3154 leaves cambridge at 13:06 and will arrive at peterborough at 13:56 on Monday. Would you like me to book a ticket? Sentence7: I am looking to stay at a guesthouse that has a 3 star rating. Sentence8: ok for how long and how many people please Sentence9: I want a train that goes to peterborough and leaves after 13:00 Sentence10: Does it leave on Monday? Sentence11: There is the hobsons house. Would you like me to book it? Sentence12: For 3 days and 2 people,I need a confirmation number too Sentence13: and what day do you need the reservation for? Sentence14: The next train is the TR0545 leaving cambridge at 13:06. Would you like me to book it or more information? Question: Who has spoken the sentence 12? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: i am sorry. i have double checked and still do not find anything matching your criteria. would you like a different star rating? Sentence2: I can help with that. What kind of price range do you have in mind? Sentence3: there are a variety of good things in the north it depends on what you want i will find whatever you request Sentence4: There doesn't appear to be a 4 star hotel with wifi in the north. Can I interest you in a lower star rating? Sentence5: i need a hotel with wifi in the north part of town Sentence6: Perhaps there is a guestroom? Sentence7: No but would you like to try another location ? Sentence8: No, the hotel needs to have a 4 star rating. Can you please check your system again? Thanks Sentence9: I am open as far as price range, but I would love a 4 star place. Sentence10: No I need the north. Is there anything else available in the north? Question: Who has spoken the sentence 3? (A) User (B) System
answer:
Answer: (B) System

question:
Sentence1: Does it list an address for the hospital? Sentence2: You're welcome, is there anything else I can help with? Sentence3: The nearest hospital is on Hills Rd in Cambridge. The telephone number is 01223245151, is there anything else I can help with? Sentence4: It is on Hill Rd. Postcode is CB20QQ. Sentence5: Where is the nearest hospital? Sentence6: Great, thank you for your help. That is all I need. Sentence7: Thank you for allowing me to help you. Have a great day! Sentence8: No that was all. Thanks Question: Who has spoken the sentence 1? (A) User (B) System
answer:
Answer: (B) System