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

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: The address for that is 6 trinity street. Sentence2: I don't need to make the reservation now. Thank you though. I would like the address for Cambridge Contemporary Art please. Sentence3: Can you help me find a train coming from cambridge leaving on thursday? Sentence4: How many tickets please? Sentence5: I want to arrive by 21:30 if possible. Sentence6: Yes I have many options. What time would you like to leave or arrive by? Sentence7: Train TR3255 is arriving at 21:06,is that okay for you? Sentence8: Thanks for using our service today, glad I was able to assist you. Hope you have a great day. Sentence9: That could work for me. Sentence10: thank you, that will be all. good bye. Sentence11: I will be going to Leichester. Sentence12: There are 202 trains departing Cambridge on Thursday. Where do you plan to head to that day? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: It is not, but The Cow Pizza Kitchen and Bar is a gastropub in the center of town, and it is a moderate price range. Would you like to book it? Sentence2: I've booked that for you. Your confirmation number is UGFBZ3HB . They'll hold the table for 15 minutes. Sentence3: Is that a gastropub restaurant? Sentence4: thanks you very much that's all i need. Sentence5: Yippee noodle bar is available if you would like to book that. Sentence6: Great, I hope you enjoy your dinner! Sentence7: Hi, I'm looking for restaurants in the area. Could you recommend any moderately-priced establishments that are located near the town centre. Sentence8: Yes, please. For 6 people at 17:15 on Tuesday. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User