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

Positive Example 1 -
Input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User

Positive Example 2 -
Input: Sentence1: Guten Tag, I am staying overnight in Cambridge and need a place to sleep. I need free parking and internet. Sentence2: I have 4 different options for you. I have two cheaper guesthouses and two expensive hotels. Do you have a preference? Sentence3: No, but I'd really like to be on the south end of the city. Do any of those fit the bill? Sentence4: Sure. Does price matter? We can narrow it down and find exactly what you need. Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (B) System

Negative Example 1 -
Input: Sentence1: I am looking for a hotel named alyesbray lodge guest house. Sentence2: i have their info, what would you like to know? Sentence3: I would like to book a reservation for it. Can you help me with that? Sentence4: I sure can. First, I will need to know when you want your stay to begin and how many days you'll be staying. Also, how many people will be staying? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (A) User

Negative Example 2 -
Input: Sentence1: Hi there! Can you give me some info on Cityroomz?. Sentence2: Cityroomz is located at Sleeperz Hotel, Station Road in the Centre area. It is a moderatley priced hotel with a 0 star rating. Would you like to book a room? Sentence3: Yes please. I need it for 7 people for 3 nights starting on tuesday. Sentence4: How many days would you like to book it for? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User

Now complete the following example -
Input: Sentence1: I need a table for eight at 15:30 on Sunday. Sentence2: I'd like a taxi from Junction Theatre to our restaurant. Please make sure it will arrive in time for our reservations. Sentence3: Alright, I will need to know how many people are in your party, and what time/day you would like to book for. Sentence4: Sure, lets go with Frankie and Bennys. Sentence5: Can you also give me the name of a theatre that is also in the south part of town? Sentence6: We have pizza hut cherry hinton which is moderately priced or frankie and bennys which is expensive. Would you like me to book one of those? Sentence7: Sure, The Junction Theatre is on Clifton Way. Sentence8: Great, thank you. Could you help with booking a taxi? Sentence9: No, but the address would be nice. Sentence10: I think that's all I need for today. Thank you so much for all your help. Sentence11: Do you know of any places in the south that serve Italian food? Sentence12: Alright, I have a table for 8 booked at 15:30 on Saturday. your reference number is 12263FX1 . Sentence13: I have booked you a taxi that will pick you up at 15:00. The car type booked is a grey skoda and the contact number is 07952875900. Sentence14: You're welcome! Have a nice day. Goodbye. Sentence15: I certainly can when and where will you be leaving from, and where would you like to go? Sentence16: The Junction Theatre is in the south area. Would you like the phone number? Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User