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

Input: Consider Input: Sentence1: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am not looking for British, I am looking for scottish food. Sentence2: I am looking for something in centre of town then Sentence3: I'm sorry but there are no moderately priced Scottish restaurants in town. Would you like a different type of food? Sentence4: I've booked your reservation. Is there anything else you need? Sentence5: Yes I have many moderately priced venues in the center of town serving British food if you like. Sentence6: I am looking for a moderately priced Scottish restaurant Sentence7: I'm so sorry but it seems that I don't show any that will suit what you are looking for. Would you like to try a different price range or type? Sentence8: There is la tasca. They are located at 14 -16 Bridge Street. Would you like to book it? Sentence9: Can I have a reference number please? Sentence10: Thank you too, good bye. Sentence11: Thank you. Have a lovely day. Sentence12: Yes, it's XXNQ81IE . Sentence13: Yes, Could you look for a Spanish restaurant instead? Sentence14: Yes please. Could you give me a table for tuesday at 12:00 for 2 people please. Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: The address and the postcode are: 2 Rose Crescent City Centre cb23ll Sentence2: How about mediterranean? Sentence3: No, but I would like to have the address and postcode. Sentence4: Excellent! Thank you so much for the help! Sentence5: The gardenia fits your criteria and serves Mediterranean. Would you like me to make a reservation? Sentence6: Now I need to find a restaurant in the centre of town that is cheap. Sentence7: Alright! Enjoy your stay in Cambridge! Sentence8: The restaurant should serve Greek food. Sentence9: I am looking for places to go in Cambridge. Sentence10: The first college alphabetically is Christ's College, which is free to enter. The postcodee is CB23BU and the phone number is 0122334900 Sentence11: No, I have everything I need. Sentence12: I'm looking for a college. Will you please give me the entrance fee, postcode, and phone number? Sentence13: There are 79 places to go in my database. Can you narrow down your requirements, please? Perhaps by type or area? Sentence14: Okay I have as many as 15 choices that satisfy those criteria. Would you like to narrow it down by food type? Sentence15: You're welcome. Do you require further assistance? Sentence16: Sorry, no results returned for Greek food Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User