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

Ex Input:
Sentence1: Of course. The restaurant is on 152 - 154 Hills Road and their phone number is 01223413000. Sentence2: What other restaurants are in the same area and price range? Sentence3: I'm sorry. That booking was not available. Would you like to find another restaurant? Sentence4: No, could you just book a table for 3? I'd like it for Wednesday at 12:15. Sentence5: That sounds good book it for 3 on wednesday at 12:15 please and I'll need the reference number too Sentence6: Thank you and you too. Sentence7: Yes can I have the address and phone number please? Sentence8: I'm sure we can. Cambridge offers 31 moderately priced restaurants. What sort of cuisine would you like? Sentence9: There is the restaurant alimentum that serves modern european food? Sentence10: Great, that's all I needed. Have a lovely day. Sentence11: I have made a reservation for you at the restaurant alimentum on Wednesday at 12:15 for 3 people. Your reference number is LX2XAAF4 . Would you like their address? Sentence12: I would prefer Italian and it has to be in the south. Sentence13: Hi! Can you find me a moderately priced restaurant for my girlfriend and I? Sentence14: I found one restaurant with those credentials, it's Pizza Hut Cherry Hinton, would you like the address? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Ok. I was able to book the table for three. Your reference number is 0FOAJA8A . Sentence2: Okay thank you. What time would you like to leave? Sentence3: ok, thank you and enjoy your stay! Sentence4: I'm travelling from norwich. Sentence5: I need to catch a train to get to the restaurant. Can you help with that too? Sentence6: There are 21 restaurants matching your criteria. Is there a type of cuisine that interests you? Sentence7: TR4387 arrives at 07:35, would that work for you? Sentence8: Let's go with Pizza Express, can you book for 3 at 13:30 on thursday please. Sentence9: You'll have to tell me where you are departing from? Sentence10: I need to arrive by 8:00. Sentence11: There are 2 choices, pizza express serves Italian food with a moderate price range, or pizza express Fen Ditton also in the moderate price range. Which shall I reserve? Sentence12: which day do you want to travel? Sentence13: Possibly Italian if that's available for 3 people on Thursday at 13:30. Sentence14: Booking was successful, the total fee is 52.8 GBP payable at the station .Reference number is : 5K7P12XZ . Sentence15: Please list all restaurants in Cambridge centre in the moderate price range. Sentence16: Thank you so much, If you can please leave a review for us. I hope your trip is amazing and very enjoyable. Sentence17: Yeah could I get three tickets please? Sentence18: I want to get there thursday please. Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: What is the phone number? Sentence2: I was able to book a taxi for you, a yellow lexus. The contact number is 07618334504. May I help you with anything else? Sentence3: I need to know depart place and destination, as well as what time? Sentence4: I have 19 places that match that criteria. Is there any area of town you'd like to stay in? Sentence5: Thank you. That is all I need. Sentence6: The phone number is 01223324222. Sentence7: Okay thank you. Can I have the postcode and phone number? Sentence8: I would like for it to include free parking. The area doesn't matter. What do you recommend? Sentence9: what is their entry fee? Sentence10: I would like a taxi to commute between the two places. Sentence11: You're welcome, let me know if I can assist with anything else. Sentence12: i also want a place to stay which has a parking and has a star 4 Sentence13: Yes, it is located at 6 Trinity Steet, postcode cb21su. Do you need any more information? Sentence14: Cambridge Contemporary Art Gallery to acorn leaving at 21.15 Sentence15: Can you tell me where the Cambridge Contemporary Art Gallery is located? Sentence16: Acorn guest house offers free parking. It's in north part of town and is moderately priced. Sentence17: The entrance fee is free. Sentence18: Yes. The postcode is cb41da and the phone number is 01223353888. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:

Answer: (A) User