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, thank you. Now, I need some information on college I can visit in the centre of town. Sentence2: I need to go from Cambridge to Peterbourgh Saturday. Sentence3: TR4005 departs Peterborough at 18:19 and arrives in Cambridge at 19:09. Total travel time is 50 minutes, and the fare is 13.20 GBP per person. Sentence4: No thank you. Thank you for your help. Sentence5: Sorry about that,what time would you like to depart? Sentence6: You're welcome. I hope you enjoy your visit! Goodbye. Sentence7: I have located several colleges in the area that have entrance fees ranging from free to 2 pounds. Is there a particular one you would like to visit? Sentence8: Can I get the address of Corpus Christi? Sentence9: I would like to leave after 18:15. Also, I would like to know the fare. Sentence10: I'm sorry. The train needs to going to Cambridge from Peterborough. Sentence11: Sure I have Corpus Christi in the city centre and Christ's College, which is very famous in the centre. Sentence12: The address is king's parade, is there anything else I can do? Sentence13: Tr7310 is leaving from cambridge at 05:06 and arriving at peterborough at 05:56 for 13.20 Sentence14: I don't have one in particular. Can you give me a few examples? Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System