instruction:
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
question:
Sentence1: Could you check the spelling(city centre north b and b) and try to search again? Sentence2: The TR2512 takes 51 minutes. Anything else you need? Sentence3: I will be traveling on Thursday. Sentence4: It is a cheap, 0 star guesthouse located at 328a histon road on the north side. It has free internet and parking. Phone number and postcode are 01223312843 and cb43ht. Sentence5: Yes I am looking for information on a hotel called City Center North B and B. Sentence6: Sure! give me the following information: Day of visit, number of people and number of days that you will be staying. Sentence7: I cannot find that hotel. Any other hotels you would like to find? Sentence8: You're all set. Your reference number is HOSVDEGA . Can I help you with anything else today? Sentence9: Do you have a time preference? Sentence10: Well that will not work. Sentence11: I need to arrive by 14:15. Sentence12: there are many trains but you need to tell us which day you want to travel Sentence13: I am also looking for a train into Cambridge from London Kings Cross. Sentence14: Please book for 2 people starting on thursday for 4 nights. Sentence15: enjoy your stay in Cambridge! Sentence16: The TR2512 will fit your needs. Would you like to book this train? Sentence17: The first train leaves at 5:17. Sentence18: Thank you. Are you able to book that for me? Sentence19: Not at this time. What is the travel time for that train, please? Sentence20: no that will be all thanks Question: Who has spoken the sentence 19? (A) User (B) System
answer:
Answer: (B) System

question:
Sentence1: Goodbye. Sentence2: Nandos sounds great. Thank you. Sentence3: Goodbye. Sentence4: thank you good bye Sentence5: Yes, I'd like a restaurant that serves portuguese food. Sentence6: nandos is the only restaurant i can find in the south that serves portuguese. Sentence7: Hi. I'm trying to find a good restaurant in the south part of town. Sentence8: There are several good restaurants in the south part of town. Do you have a preference for the type of food or price range? Question: Who has spoken the sentence 2? (A) User (B) System
answer:
Answer: (A) User

question:
Sentence1: There are 13 colleges in the city centre. Do you need more information? Sentence2: Yes, there are 7 of them. How about restaurant one seven? Sentence3: That sounds good, is it in the moderate price range? Sentence4: goodbye and thanks Sentence5: i really have to go. goodbye. Sentence6: most welcome and have a great day Sentence7: Hey, are there any interesting colleges in the city centre? Sentence8: Yes it is in the moderate price range. Would you like to book a table now? Sentence9: Hughes Hall--postcode cb12ew. Their phone number is 01223334898. Saint Catharine's College--postcode cb21rl. Their phone number is 01223338300. Is there anything else I can help with? Sentence10: Yes, are there any British places to eat at in the same area? Sentence11: That was all I needed. Thank you. Sentence12: no, just give me the phone number Sentence13: The cotto phone number is 01223302010. Sentence14: Could you give me the postcode and phone number of two of them that are popular tourist destinations? Question: Who has spoken the sentence 2? (A) User (B) System
answer:
Answer: (A) User