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 would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: That train departs at 05:29. Sentence2: It appears that the Curry Garden meets your needs! Would you like me to book that for you? Sentence3: There are many options for expensive dining. Sentence4: Yes, please make reservations for 5 people at 16:45 on Monday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : J8918H0X . anything else i can help you with? Sentence6: What day will you travel? Sentence7: Thank you for contacting us and have a nice day. Sentence8: I would like to arrive by 11:00. Could you give me the departure time and train ID? Sentence9: Thank you. That is all that I need. Sentence10: Thanks. I also need a train from Bishops Stortford to Cambridge. Sentence11: Not really, as long as it is open on Monday and has room for 5 people. Sentence12: Is there a departure time? Sentence13: There are a number of expensive Indian options. Is there a specific part of town you were looking for? Sentence14: I will be traveling on Monday. Sentence15: I need a place to eat that is expensive. Sentence16: OKay, is there a certain time you need to leave? Sentence17: Specifically, I would like an Indian restaurant. Sentence18: I can suggest the TR4448 arriving by 06:07. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: It is at Parkside, Cambridge with Postcode CB11JG Sentence2: Thank you for using our services. Sentence3: You need to call 01223358966 Sentence4: Can you help me please? I just got robbed and I need help! Sentence5: And what is the address of the police station? Sentence6: Thank you! that's all I need for now. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System