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

[Q]: Sentence1: I would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I would actually like to book it for 8 people, not 3. Sentence2: Could you reserve the one in the centre of town for 3 nights starting Monday? There will be 3 of us. Sentence3: You're welcome. Glad to help! bye bye! Sentence4: Sure no problem. So the hotel is huntingdon marriott hotel and your reference number for the booking is 34BAQ2WK . Is there anything else I can help? Sentence5: I am looking for a hotel in the expensive price range. Sentence6: Unfortunately, I wasn't able to book you for the day and time you wanted. Would another day or time be alright? Sentence7: No, it doesn't matter. I would like a 4 star hotel with free parking though. Sentence8: That's great. I'm all set , thank you! Sentence9: There are 5 expensive hotels available. Did you have a preference as to area of the hotel? Sentence10: There are two, one in the west and one the centre of town. Sentence11: I couldn't book that one either. Would you like to change your criteria? Sentence12: Okay, could you try the other one, please? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Thank you so much for your help today. Sentence2: Yes, I would like to stay in the west please. Sentence3: I am also looking for help finding a train to stansted airport for Sunday departing from Cambridge. Sentence4: There is one guesthouse and one hotel that fits your criteria. Both have free internet and parking. Do you have a preference? Sentence5: I have found 10 hotels that are cheap in the area. Is there a certain part of the city you would like to stay in? Sentence6: The Cambridge Belfry meets your criteria. Would you like to make a booking? Sentence7: Are they 3 star hotels? Sentence8: train TR1262 will arrive at 08:08 would you like me to book seats? Sentence9: Yes, we'll need tickets for everyone in the party. Sentence10: I would like a hotel please. Sentence11: okay, reference # isN5S2FRHG, 32.32 GHP is payable at the station Sentence12: Yes please for 4 people for 2 nights starting on friday. Sentence13: Yes they are both 4 stars. Do you have a preference of hotel or guesthouse? Sentence14: You're welcome. Have a great day! Sentence15: Sure. What time would you like to travel? Sentence16: success! confirmation number is 44URFTUC . Can I help you find anything else? Sentence17: it should arrive by 09:00 Sentence18: I need a cheap place to stay please. Question: Who has spoken the sentence 17? (A) User (B) System
[A]:
Answer: (B) System