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

Ex Input:
Sentence1: I need to find a hospital nearby that has a hepatobillary and gastrointestinal surgery referral center Sentence2: No, that's it. Thanks! Sentence3: No, I just need the postcode. Sentence4: You're very welcome. Have a great day! Sentence5: Certainly. The postcode is CB20QQ. Anything else I can help you with today? Sentence6: Addenbrookes Hospital located at Hills Rd, Cambridge has that department. Would you like the phone number to that direct department? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes I was able to do this and the reference number is J7S65ALV . Sentence2: Ok. Thank you and good bye. Sentence3: i need information of a hotel called allenbell. Sentence4: I am also looking for an entertainment place. Sentence5: Sure, great guesthouse on the east side. 4 stars but still cheap. Sentence6: Would you like the attraction in the same area as the guesthouse? Sentence7: My favorite is Nusha. It's in the south. Unfortunately, I don't have the information on their entrance fee, but I can give you their phone number, if you like. Sentence8: That would be fine. I think that's all I need. Thanks for your help! Sentence9: That doesn't really matter. What's the entrance fee and area for your favorite entertainment place? Sentence10: Could you make a reservation for 8 people for 5 nights starting Tuesday? I will also need the reference number. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: The phone number for All Saints Church is 01223452587 and it's postcode is cb58bs. Can I help you with anything else today? Sentence2: You're welcome. Have a great time! Sentence3: The Copper Kettle is an excellent choice for British cuisine. Alternatively, there is also an asian oriental restaurant. Do either of those sound suitable? Sentence4: The Copper Kettle's phone number is 01223365068 and the address is 4 Kings Parade City Centre, postcode cb21sj. Would you like me to book a table for you there? Sentence5: Are their any architecture in the centre of cambridge? Sentence6: I would like to suggest all saints church. The entrance fee is free. Sentence7: Excellent, could I also get its postcode and phone number? Sentence8: Certainly, pick out a good option. I will need the entrance fee please. Sentence9: No, thanks. I will book later on. I think that was all I needed. Thanks. Goodbye. Sentence10: Could you give a recommendation on a place to eat in the centre that is in a moderate price range? Sentence11: I'll go with The Copper Kettle. Can you give me the phone number? Sentence12: Yes! There are 4 churches as well as old schools. Would you be interested in one of those? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:

Answer: (A) User