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

Sentence1: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: I prefer a gueshouse. Sentence2: I'm glad I was able to help you today! Thank you for contacting Cambridge TownInfo centre. Enjoy your trip! Goodbye! Sentence3: There are many places to stay that offer free parking. Do you prefer a guesthouse or hotel? Sentence4: No, but can you help me find a restaurant? I think it's called Meghna. Sentence5: Ahhh.. great, thanks! That's all I needed! Sentence6: Yes, they are at 154 chesterton road and can be reached by phone at 01223353888. Would you like me to book you? Sentence7: Great can you tell me the star rating of the hotel as well? Sentence8: Yes, that is a moderate priced indian restaruant in the west. Sentence9: Acorn Guesthouse has a star rating of 4. Would you prefer other options or would you like for me to book you? Sentence10: That's it! Can you give me the phone number and area, please? Sentence11: Can I please have their address and phone number? Sentence12: The acorn guest house would fit your needs would you like me to make a reservation for you Sentence13: Meghina's phone number is 01223727410. They are located in the west. Sentence14: Place to stay the night, with free parking and it doesn't need free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: You're welcome! Have a great day! Sentence2: I was able to book a room for 3 nights. Your reference number is V96BTDAI . Sentence3: It doesn't need internet included Sentence4: I need to find a four stars hotel in the north that has indoor free parking. Sentence5: Does Worth House have free wifi? Sentence6: Oh, thank you so much. You've been most helpful. Sentence7: We have seven matches for your requirements. Do you have any additional preferences? Sentence8: Yes book me a stay for 4 people and 4 nights starting from wednesday please Sentence9: Can you see if I can get three nights? Sentence10: Oh, I'm unable to process that. Would you care for a shorter stay? Sentence11: Yes, worth house is a cheap four star guesthouse in the north area with free parking and internet. All our options for your other preferences have wifi. Would you like to reserve a room? Sentence12: I have 7 options for you. 6 are moderately priced, and 1, Worth House, has a cheap price. Would you like more information? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System