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

Ex Input:
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

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: No thank you. You have helped tremendously. Sentence2: What is the address and postcode, please? Sentence3: Can you help me? I was in a car accident dispute. Sentence4: The Parkside Police Station's phone number is 01223358966 Sentence5: you are welcome Sentence6: The address is Parkside and the postcode is CB11JG. Can I help you with anything else? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I am looking for an italian restaurant, cheap preferably. Sentence2: Emmanuel College is located on Saint Andrew's Street in the centre. Sentence3: There are 3 restaurants which match that criteria which are the Pizza Hut City Centre, Ask, and Zizzi Cambridge. Would you like information for one of those restaurants? Sentence4: Can I get the phone number? Sentence5: I would like a taxi. Sentence6: Where would you like to depart from, and at what time? Sentence7: Thank you for the information. I appreciate it. Good bye. Sentence8: 01223334200 is the phone number. Can I help you with anything else? Sentence9: Yes, I'd like to be in the center of town, please. Sentence10: Booking completed! Booked car type : yellow ford Contact number : 07431638056 Sentence11: I need to go from the college to the restaurant by 19:15 on Monday. Sentence12: Please book a table for 4 people at Zizzi Cambridge for 19:15 on Monday and provide me the reference number. Sentence13: I'm glad I could help. Sentence14: Booking was successful. The table will be reserved for 15 minutes. Reference number is : TCYAVOO1 . Can I assist you with anything else today? Sentence15: i'm also looking for emmanuel college Sentence16: There are 5 cheap Italian restaurants is there an area you prefer? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System