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

Q: Sentence1: Hi, I'm looking for a 1 star place to stay with free wifi. Sentence2: Well, I'd like to book one. I don't think it matters which one. Sentence3: You are welcome, goodbye. Sentence4: There are 5 guesthouses with 4 star ratings in Cambridge with moderate to cheap price ranges. Would you like more information? Sentence5: Alright. I wanted a 1 star, but I guess I can listen to the 2 star options. Sentence6: Okay, how many people will be in your party? Sentence7: Hmm. What do you what about 4 star hotels? Sentence8: No, that is all. Thank you. Bye. Sentence9: What dates would you like to book the room for? Sentence10: I have 2 on the north side that are in the moderate price range and 1 on the east side in the expensive range. Would you like to book one. Sentence11: I need it for two nights starting on Saturday. Sentence12: It would be for 7 people. Sentence13: I'm sorry there are no 1 star hotels with internet, would you like me to search on 2 stars, we have a few hotels available. Sentence14: I have booked you at the A and B Guest House at 124 tenison road. The reference number is 0J08KUGQ . Can I help you with anything else? Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: No, you have been a great help. Thank you. Good bye. Sentence2: I would be happy to help you find a train. Can you confirm where you will be departing from? Sentence3: I quite enjoy Byard Art Museum located at 14 King's Parade. It is free also. Can I give you any more information? Sentence4: I could use some help finding a museum to visit. Sentence5: Which area is it in? And can you also give me the post code? Sentence6: Yes, I'll be departing from peterborough and it needs to arrive by 20:45. Sentence7: TR9805 will arrive at 20:38, would that work for you? Sentence8: Byard Art is south and the postcode is cb21sj. Would you like information on another attraction? Sentence9: I am looking for a train on Friday to Cambridge Sentence10: There are many lovely museums in Cambridge. Would you prefer a certain type of museum, or a particular neighbourhood? Sentence11: Yes please book me tickets for 5 people Sentence12: It's been my pleasure. Thanks for using our service. Good day. Sentence13: May I help you with anything else, such as a restaurant? Sentence14: No, that one sounds perfect, thank you. Sentence15: The booking was successful the price is 82.5 pounds your reference number is 7HQD6471 . Do you need anything else? Sentence16: I'm open to just about anything. What's your favorite? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Glad I was able to help. Do you need anymore help today? Sentence2: You're welcome, have a great day! Sentence3: I need a place to dine in the center that serves modern European food. Sentence4: That's great. Thank you so much. Sentence5: Done! Your reference number is ISXF46BT . Can I help you with anything else? Sentence6: I would also like to find a 3 star hotel that includes parking. Can you help me with that? Sentence7: Yes please. I would prefer to stay in the center. Sentence8: I need it for four nights starting on Sunday for three people please. Sentence9: When would you like to check in at The Gonville Hotel? Sentence10: Sure. The Gonville Hotel is located in the centre and the Lensfield Hotel is in the south. Would you like me to book a stay? Sentence11: I was able to book de luca cucina and bar LPZ329U9 Sentence12: Can any of them accommodate a table of 3 at 19:00 on Sunday? Sentence13: We have 4 different places. Do you prefer a specific price range? Sentence14: No thank you that will be all Question: Who has spoken the sentence 2? (A) User (B) System

A:
Answer: (A) User
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