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

[EX Q]: Sentence1: Please feel free to contact us again for further assistance. Good-bye. Sentence2: Great news! Your booking was successful and I have a reference number for you. It is PL4JEQ9A . Sentence3: Yes please I need a booking for 4 people and 2 nights starting from friday. Sentence4: How about a different hotel in the same price range? Sentence5: Can you find me a place to say in the centre that includes free wifi? Sentence6: I have the Cityroomz hotel which is in the moderate range with internet and no parking. Would you like to book this hotel? Sentence7: Are there any in the moderate price range? Sentence8: Thank you for your help. Sentence9: I can recommend the Alexander Bed and Breakfast. It is a guesthouse in the cheap price range. Sentence10: How about the el shaddai, they have free internet and free parking? Sentence11: Thank you very much. I will. Sentence12: You are very welcome. Please enjoy your stay. Sentence13: That on is not open then, shall I try another? Sentence14: That will be fine. Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The Lensfield does have free wifi. Their phone number is 01223355017 and their postcode is cb21en. Sentence2: First, can you give me the phone number, postcode, and tell me if they have internet? Sentence3: Is it a guesthouse? I'd really like a guesthouse with 3 stars, if possible. Sentence4: That is perfect, thank you for your help. Goodbye. Sentence5: Unfortunately, I can't find a 3-star expensive guesthouse with free parking. Would you like me to find something else? Sentence6: Sure, The Lensfield hotel is in the south. It is very nice, can I book it for you? Sentence7: Express by Holiday Inn Cambridge is an expensive hotel with free parking. Their phone number is 01223866800. Sentence8: I'm looking for an expensive place to stay with free parking please. Sentence9: Let us know if you have any more questions! Sentence10: How about a hotel instead of a guesthouse? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: There are 23 museums in cambridge. Are you interested in a particular type of one in a certain part of town? Sentence2: You're welcome, glad I could help. Sentence3: I would recommend TR4859 which leaves Cambridge at 15:59 and arrives at London Liverpool Street at 17:27. Sentence4: Great, thanks, that's all I need! Sentence5: Ok, lets get you set up, where are you going and on what day? Sentence6: You're all booked. TR4859 for 6 people will be 79.67 GBP. Your reference number is CTETVS75 . Is there anything else I can help you with today? Sentence7: I need a train to leave from cambridge after 15:30. Sentence8: That sounds fine. Can you reserve 6 tickets for me please? Sentence9: I am looking for places to go in town. The attraction should be in the type of museum Sentence10: It is located in the east and the postal code is cb13ef. Sentence11: That sounds great! What area and can I get the postcode? Sentence12: I am very partial to the Cambridge Artworks museum located at 5 greens road and admission is free. Does that sound good? Sentence13: Not really. Pick the best one for me! Sentence14: I will be leaving on saturday and going to london liverpool street. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System