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

Ex Input:
Sentence1: Thanks, I'm also looking for some places to go in the centre. Sentence2: There are 44 different attractions in the centre. Can you narrow down your choices? Sentence3: Ok. And where are you leaving from? Sentence4: The phone number for All Saints Church is 01223452587 and they are located on Jesus Lane. They do not charge an entrance fee. Can I do anything else for you? Sentence5: I think whatever you think is the best place, just choose that. I am not picky. Sentence6: No, that will be it. Thank you so much for your help! Sentence7: I would want to find a train going to Cambridge. Sentence8: it should arrive by 11:15. get me the price Sentence9: Thank you for using our service! Sentence10: Okay, there are 10 trains available. Do you have a departure or arrival time in mind? Sentence11: The train should leave on wednesday and should depart from ely Sentence12: that sounds lovely, what is their phone number, address and any entrance fee's? Sentence13: TR2006 is leaving at 11:35 and costs 4.40 pounds. Sentence14: Perhaps you would enjoy seeing All Saints Church on Jesus Lane? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Can I get some information about visiting Great Saint Mary's Church? Sentence2: Thanks. I am also looking for an expensive place to eat in the centre. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : XWZ8N8GF . Anything else I can do? Sentence4: Sure, there are plenty of places in the area. Did you have a particular type of cuisine in mind? Sentence5: Sure, is there anything specific you'd like to know? Sentence6: What is the entrance fee for that attraction? Sentence7: This is found in the center of town. Their phone number is 01223350914 and their postcode is cb23pq. Sentence8: Admission to Great Saint Mary's Church is 2 pounds. Sentence9: Definitely, Please book me for 7 people at 14:45 on wednesday. I also would like the reference number. Sentence10: No, just expensive in the centre. Recommend one for me. Sentence11: Thanks! That's all I needed. Sentence12: I'd really like to visit Great Saint Mary's Church. Could you give me some information about it? Sentence13: You should try dining at kymmoy, an asian oriental restaurant located at 52 Mill Road City Centre. Would you be interested in booking a table? Sentence14: You're welcome! Have a wonderful day. Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: How about one that serves European food? Sentence2: No but can I get the phone number, postcode, and address please? Sentence3: No I am truly sorry. Something else perhaps? Sentence4: Great. Thank you! Sentence5: Are there any crossover restaurants in the west? Sentence6: Sorry, that would be 16:07 for arrival time. Can you confirm how many are traveling? Sentence7: Yes I would like a train to bishops stortford please. Sentence8: Yes, departing from Cambridge on Monday. I'd like to get to Bishops Stortford by 18:00, if possible. Sentence9: Thank you for using Cambridge TownInfo centre. Please consider us for your future travel needs. Sentence10: Yes please. Book that. Sentence11: There are no crossover restaurants in the west is there another area you'd like me to look in? Sentence12: I take that back, the TR4283 definitely arrives at 06:07, and departs at 05:29. The booking was successful. The total will be 10.1 GBP, payable at the station. Reference number:2P9BM67Z . Sentence13: Cambridge Lodge Restaurant is a European place in the west that is expensive. Would you like to book a table? Sentence14: I can help you with that. Just to confirm, are you departing from Cambridge or another city? Sentence15: Absolutely. They are located at Cambridge Lodge Hotel 139 Huntingdon Road, City Centre. Their phone number is 01223355166. Their postcode is cb30dq. Anything else I can help with? Sentence16: How about looking for crossover restaurants that are expensive. Doesn't matter the area. Sentence17: I am traveling by myself. I need the train ID also after you book. Sentence18: Train TR4283 arrives at Bishops Stortford by 6:07 and costs 10.10 pounds per ticket. Would you like me to reserve a seat for you? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User