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: Where did you want to get on the train? Sentence2: Alpha-Milton Guest House is 3 stars with no internet or parking. Would you like to book a room there? Sentence3: Okay, there are lots of choices. What time of day would you like to travel? Sentence4: I'd like to book it for 4 people and 2 nights starting Monday. I need the reference number as well. Sentence5: Yes, I am looking for a place to stay. I would prefer to stay in the North at a 3 Star location. Sentence6: No, I don't need assistance with the booking. Can you tell me the cost of the ticket though? Sentence7: I show 2 option, both in the moderate price range. Do you need parking or internet? Sentence8: TR7940 will get you there by 20:38, would you like me to book it you some tickets? Sentence9: Yes, I need a train to get me to Cambridge on Monday. Sentence10: The cost per ticket is 16.50 pounds. Can I assist you with anything more? Sentence11: Neither of those matter, but I would like it to be a guesthouse. Do one of those match? Sentence12: No, that's everything. Thank you. Sentence13: You're welcome! I hope that you enjoy your stay in Cambridge. Have a nice day. Bye. Sentence14: Fantastic, your reference number is T2AUGQ7S . Is there anything else you need today? Sentence15: I need to get there by 20:45. Sentence16: I will be departing from peterborough. Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Probably the emergency department, the phone number is 01223217118. Sentence2: Thank you for the information. Sentence3: Which department should I contact for a sprained ankle? Sentence4: Nope that is it. Thank you Sentence5: I want to find a hospital in town Sentence6: Thank you , could you provide me with the email address? Sentence7: Addenbrookes Hospital is located at Hills Rd, Cambridge. Is there a particular department you're looking for? Sentence8: You are very welcome. Is there anything else I can help you with today? Sentence9: You're welcome. Thank you for using our service. Sentence10: Unfortunately there isn't an email address listed here. Sentence11: The address is Hills Road, Cambridge. Sentence12: Can I have the address please. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, there are 5. I recommend All Saint's Church as it is beautiful! Would like more information on it? Sentence2: The Aylesbray Lodge Guest house is a guesthouse in the south side with a moderate price range. It has a rating of 4 stars and has parking & internet. Sentence3: Yes, I'm also looking for entertainment in the centre of town. What's fun? Sentence4: That's perfect. What's the phone number? Sentence5: There are no places with the type entertainment in the center, I could look for a different type of attraction or a different part of town if you like. Sentence6: The phone number for the aylesbray lodge is 01223240089. Can I help you with anything else? Sentence7: Thanks for using our service! Sentence8: Thanks so much! That's all I need today. Sentence9: Could you find an architecture attraction? Sentence10: Hello! I am looking for information about a hotel called aylesbray lodge guest house. Can you help me? Sentence11: Yes, I would like more information please and will you let me know what the entrance fee is? Sentence12: all saints church is located on jesus lane and entry is free. Question: Who has spoken the sentence 10? (A) User (B) System
Output: Answer: (A) User