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: Great. Can I have the postcode for the Aplha-Milton guesthouse? Sentence2: Thank you. Again, I will be leaving from Stratford around 09:00 going to Cambridge and I would like to know the fair also. Sentence3: Can you tell me about cineworld cinema? I'd like a train into Cambridge on Thursday leaving around 09:00 also. I'll be leaving from Stratford. What is the fair? Thank you. Sentence4: Thank you, goodbye. Sentence5: The alpha-milton guest house is located in the north with postcode cb41xa and is 3 stars. Its phone number is 01223311625. Would you like me to book this? Sentence6: The Alpha-Milton guesthouse is a 3 star guesthouse located in the north. Sentence7: Forget the train for now, I need a 3 star guesthouse. Sentence8: Yes, please book it for me. Sentence9: Actually I don't want to book yet, I just am looking for the postcode and area of a guesthouse with 3 stars and moderately priced. Sentence10: Certainly. The postcode is cb41xa. Can I help you with anything else? Sentence11: Can I have the postcode and phone number, please? Sentence12: You're welcome. Have a great stay. Sentence13: You are all set, have a good time. Sentence14: I'm sorry, there seems to be an error. Would you please restate your requirements? Sentence15: Thanks for everything! Thats all I needed. Sentence16: OK, one at a time. Cineworld Cinema is located at cambridge leisure park, clifton way, in the south part of town. Sentence17: Can you tell me what day you are wanting to start your stay? Sentence18: The postcode is cb17dy and the phone number is 00872208000. Now, let's check on that train. Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User