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

Sentence1: They are quite expensive . Sentence2: I want a restaurant in the south part of town and serves panasian food. Sentence3: Sorry what type of food do they serve? Sentence4: Thank you, goodbye! Sentence5: Sorry, there are no restaurants in the south part of town serving panasian food. Sentence6: They serve italian food. Sentence7: Frankie and Bennys serves Italian food in the south part of town. The phone number is 01223 412430, and the postcode is C.B 1, 7 D.Y. Sentence8: Thank you for your help. Good bye. Sentence9: italian food please. phone number and postcode please. Sentence10: what is the price range ? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: El Shaddai is a guesthouse. Anything other questions about them? Sentence2: Yes, they have free parking. Would you like me to book you a room? Sentence3: Whoa whoa, easy there tiger, Lets narrow the search down first. In the center, 0 stars, cheap and it can be a hotel or guesthouse. Sentence4: Yes I need a chinese restaurant. Sentence5: ok for how many people and when are you planning your stay? Sentence6: I am looking for a restaurant that sell seafood,will prefer one in the center of the city. Sentence7: ok what location? Sentence8: Do they have parking? Sentence9: Yes, I'd like to travel on Wednesday. I'll need to arrive by 8:00. Sentence10: It should be in the same area? Sentence11: I would like a train into Cambridge from Stevenage. Sentence12: Is El Shaddai a guest house or hotel? Sentence13: OK. Is there anything else I can help you with today? Sentence14: No. That's everything I needed and then some, actually! Thanks, take care! Sentence15: Okay, is there anything else I can help you with? Sentence16: No, I don't need a chinese restaurant after all. Thanks for looking. Sentence17: All set. You are booked for 7 people on TR9448. You reference number is B1Q6DDTE . Can I help with anything else? Sentence18: i only have one option can i book it for you? Sentence19: No, I don't need to. I was just curious about it. Thank you for all of your help. Sentence20: The TR9448 arrives at 06:43. Would you like me to book a ticket for you? Sentence21: Yes, I need a hotel as well. Sentence22: Is there a specific day and time you would like to travel at? Sentence23: I'm sorry, there seems to be an error. Can you please restate your request? Sentence24: How about el shaddai? Fits your request perfectly. Sentence25: Thank you for calling. Have a great day! Sentence26: Yes, please book 7 seats. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Goodbye. Sentence2: Goodbye. Sentence3: No, thank you. Sentence4: good bye. Sentence5: Thanh binh serves vietnamese food. They are located at 17 Magdalene Street City Centre. Would you like more information? Sentence6: I am looking for a restaurant serving vegetarian food. Sentence7: we do not have any restaurant serving vegetarian food. Can I help you with anything else? Sentence8: Can you look for Vietnamese restaurants then? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User