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

Ex Input:
Sentence1: It is in the centre part of town. Sentence2: That's all. Thank you, goodbye! Sentence3: What is its phone number? Sentence4: Okay, thanks. And what area is it in please? Sentence5: Michaelhouse Cafe is at St. Michael's Church Trinity Street City Centre. How does that sound? Sentence6: I am looking for a restaurant in the expensive price range that serves Belgian food. Sentence7: The phone number is 01223 309147. Sentence8: I have nothing available meeting your request, would you like to try a different price range or another type of cuisine? Sentence9: What is the address of the restaurant? Sentence10: Yes, is there any expensive European eateries? Sentence11: That's good, thanks. Sentence12: Would you like anything else? Sentence13: Yes, there are 4 expensive restaurants serving european food. Which area would you like? Sentence14: your welcome. thanks for calling Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No, you have been a great help. Thank you. Good bye. Sentence2: I would be happy to help you find a train. Can you confirm where you will be departing from? Sentence3: I quite enjoy Byard Art Museum located at 14 King's Parade. It is free also. Can I give you any more information? Sentence4: I could use some help finding a museum to visit. Sentence5: Which area is it in? And can you also give me the post code? Sentence6: Yes, I'll be departing from peterborough and it needs to arrive by 20:45. Sentence7: TR9805 will arrive at 20:38, would that work for you? Sentence8: Byard Art is south and the postcode is cb21sj. Would you like information on another attraction? Sentence9: I am looking for a train on Friday to Cambridge Sentence10: There are many lovely museums in Cambridge. Would you prefer a certain type of museum, or a particular neighbourhood? Sentence11: Yes please book me tickets for 5 people Sentence12: It's been my pleasure. Thanks for using our service. Good day. Sentence13: May I help you with anything else, such as a restaurant? Sentence14: No, that one sounds perfect, thank you. Sentence15: The booking was successful the price is 82.5 pounds your reference number is 7HQD6471 . Do you need anything else? Sentence16: I'm open to just about anything. What's your favorite? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Okay. No problem I have you booked into a red Lexus and their contact number will be 07211078651. Sentence2: No, I don't mind paying admission. Sentence3: do you want to book for one day? Sentence4: Which day do you prefer? Sentence5: Thank you, goodbye Sentence6: Do you happen to have any guesthouses in that area? Sentence7: I have no preference. Sentence8: I'd like to leave the church by 12:00, please. Sentence9: When do you want to leave or arrive by? Sentence10: The cityroomz hotel is located in the centre and has free wifi. Would you like to make a reservation? Sentence11: There are many options, including a boat, college, architechture, and theatre. Sentence12: OKay then I would suggest great saint mary's church Sentence13: of how many stars do you prefer? Sentence14: Yes please. I need the reservation to be for 5 people. Sentence15: Booking was successful. Reference number is : G1KVK1RL Sentence16: What is in the centre? Sentence17: Sound good. Can I get their address, phone number and entrance fee please? Sentence18: I would prefer Saturday please. Sentence19: Saturday or tuesday. Sentence20: I can do that for you. What day do you want to book the hotel for? Sentence21: I want five nights. Sentence22: Sure! The address is Market Square. Phone number is 01223350914 and it costs 2 pounds to get in. Sentence23: I don't. Would you like to try a different location or price? Sentence24: If there is nothing under entertainment, do you have a museum you can recommend? Sentence25: Thank you for using our service today. Sentence26: The Avalon is a guesthouse in the north, in the moderate price range, with free wifi. Do you want me to book it? I will need your details. Sentence27: Thanks. I also need help with lodging in the moderate price range with free wifi, please. Sentence28: Do you have a price preference? Sentence29: Yes please find me a guesthouse in the north, in the moderate price range that includes free wifi. Sentence30: Thanks. I will also need a taxi from great saint mary's church to the Avalon guesthouse. Sentence31: What is there to do or see for entertainment? Sentence32: There are still 44 entries including options like architecture, theatre, museums, concerthall, etc. Do you think you can narrow down your options a bit? Question: Who has spoken the sentence 30? (A) User (B) System

Ex Output:

Answer: (A) User