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: Is there anything else I can help you with today? Sentence2: No that is it. Thank you. Sentence3: Yes that would be great. I am also looking for a museum to visit. Could you provide the entrance fee and phone number? Sentence4: Just one ticket is fine. Now can you tell me about the museum? Sentence5: Thre are many. Where and when would you like to travel? Sentence6: Yes. I'm a big museum fan so now please find me a museum to visit in the Centre Sentence7: Do you want to arrive by 08:15 (morning) or 20:15 (evening)? Sentence8: I want to go to Bishops Stratford and arrive by 8:15 in the evening, could you tell me the train options? Sentence9: Thank you so much! Sentence10: I have a train leaving cambridge and arriving at bishops stortford by 20:07 will that train work? Sentence11: Do you have a train leaving on Sunday? Sentence12: Okay I've booked your train. Reference : OVNR0IHT . And, I have lots of museums in the centre. Do you need free admissoin? Sentence13: Arrival by 20:15 in the evening. Sentence14: Well thank you for contacting the cambridge towninfo centre and have a wonderful day! Sentence15: I suggest Castle Galleries. It has a free entrance fee and the contact number is 01223307402. Sentence16: Pick any and it does not matter. Please give me the fee cost and phone number once booked. Sentence17: Certainly! But first, did you want to secure passage on the TR6072, departing at 19:29 and arriving at 20:07? Sentence18: how many tickets do you need for the train? Question: Who has spoken the sentence 10? (A) User (B) System
Output: 


Answer: (A) User