instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: Great I was able to book A and B guest house, the reference is VMWIVZV7 . Sentence2: I would like to book a table at the Italian restaurant for 8 people on Thursday at 14:45. Can I have the reference number for that as well? Sentence3: I'm looking for a place to stay in the moderate price range. It doesn't need to have free parking. Sentence4: Okay you're all set. Your reference number is U37O50HC . Is there anything else? Sentence5: Not a problem, have a great day! Sentence6: I was able to book a blue honda, phone number is 07521143616 Sentence7: It should be on the east side, and have free wifi, no food preferences though. Sentence8: I have 3 results for moderately priced guesthouses on the east side. All have 4 star ratings and free wifi, do you need parking? Sentence9: Yes, I would like to book a taxi from the hotel to the restaurant. Sentence10: Great thank you for all your help Sentence11: Thank you for your help in booking the hotel for me! Sentence12: I do not need free parking. Can you book one of them for Thursday? I have 8 people and we need to stay for 2 nights. Sentence13: I also also need a place to eat in the moderate price range in the same area as the hotel Sentence14: There are quite a number of hotels that fit your description. Any preferences in location or food served? Sentence15: You are welcome. Goodbye! Sentence16: Sure I have two Indian restaurants and one Italian restaurant pizza hut fen ditton matching your price and area preference. Do any sound good to you? Question: Who has spoken the sentence 4? (A) User (B) System
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Answer: (A) User

question:
Sentence1: I'm looking for a train that departs cambridge on saturday. Any ideas? Sentence2: I would like to leave after 16:30 and would like to go to kings lynn. Sentence3: Yes please and I'll also need the postcode. Sentence4: I am not showing any hotels with 1 star that have free parking, would you like to look for something else? Sentence5: We have three 4 star hotels that provide free internet and free parking. Is there an area you would prefer to stay at? Sentence6: the postcode is cb236bw. it is a hotel in the cheap price range. when would you like to stay from, how many people, and for how long? Sentence7: Alright, are there any 1 star hotels that offer free parking? Sentence8: There are 202 trains that leave Cambridge on Saturday. Sentence9: I recommend The Cambridge Belfry, a cheap 4-star hotel on the west side. Would you like to reserve a room? Sentence10: I'm interested in the earliest one. What is the train ID? Sentence11: Sorry, no, I do not see any one star hotels with free wifi. Would you like to try another option? Sentence12: That's the TR2840. Sentence13: That was all I needed. Thank you. Sentence14: Are there any with 4 stars? Sentence15: There are 7 trips that would work. The earliest leaves at 17:11 and the latest leaves at 23:11. The train ride will be 47 minutes. What would you prefer? Sentence16: The cambridge belfry is a hotel, not a guesthouse. May I help with something else? Sentence17: Does any of them have free wifi? Sentence18: You're welcome! Have a great day. Sentence19: I need the postcode, hotel type, and price range for The Cambridge Belfry. Sentence20: I need more information on the number of nights and people. Sentence21: Any place is fine, I go with whatever you recommend. Sentence22: Forget about booking it, just please tell me what type of hotel it is. Question: Who has spoken the sentence 11? (A) User (B) System
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Answer: (B) System

question:
Sentence1: I have no preferences. You can just pick one. I'd like it for 7 people for 5 nights starting from saturday. Sentence2: TR4494 will depart at 17:19 on saturday and arrive by 18:09. Would you like me to book it for you? Sentence3: I need it for Saturday and I want to arrive by 18:15. Sentence4: This is unavailable would you like to book a shorter stay or a different day? Sentence5: Let us know if you need anything else. Good bye. Sentence6: Great! You're booked for 3 nights at Bridge Guest House with reference number AH7L4RXZ . May I help with anything else? Sentence7: No, it does not offer that. Would you like something that does? Sentence8: Great! You have helped me tremendously. I don't need anything else. Thank you! Sentence9: Yes please. Can you book 7 tickets on that train? I'd like a reference number if possible. Sentence10: I am looking for a guesthouse to stay at in the moderate price range. Sentence11: When do you need that train? Sentence12: Does it have free parking? Sentence13: ok, I have a couple that meet that criteria. Would you like 3 or 4 stars? Sentence14: Yes, I need a train out of Peterborough into Cambridge, please. Sentence15: How about the a and b guest house? Sentence16: How about 3 nights for the same day and number of people? Sentence17: Booking was successful, the total fee is 92.4 GBP payable at the station. Reference number is : 8JPQ3AQT . Sentence18: Yes. I need free parking, and I prefer the southern part of town. Question: Who has spoken the sentence 7? (A) User (B) System
answer:
Answer: (B) System