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 would like it to be not be more that $120 a night. Sentence2: How about the El Shaddai? It's at 41 Warkworth Street and it's cheap. Sentence3: No, that's perfect. Thanks! Sentence4: Yes, I would like to book a hotel that has free wifi. Parking doesn't matter. Sentence5: Hmm, okay. Well, maybe we should take a look at a local college in town centre. Could you recommend one? Sentence6: I reserved a Blue Ford for you, contact number 07289393506. Is there anything else I can do for you today? Sentence7: I am looking for a multiple sports location in the centre of town Sentence8: One more thing, I would like to book a taxi to commute between the two places. Sentence9: Does the Gonville hotel work? Sentence10: Is Gonville hotel in the town centre? Sentence11: How about just one night? Sentence12: I can recommend Christ's College. Admission is free. Sentence13: Will you be departing from El Shaddai Hotel to Christ's College? Also, when would you like the taxi to leave the hotel and arrive at the destination? Sentence14: No problem. Glad you could help. Sentence15: I need a hotel located near the centre of town, with a star of 0. For 3 people, 2 nights starting Thursday please. Sentence16: Gonville Hotel is in the "centre" area. Sentence17: Does the hotel have a star rating of 0? Sentence18: It has a rating of 3 stars. Sentence19: Okay let's try that. Sentence20: It doesn't look like they have availability for a 2 night stay starting on Thursday. Would you like to book a shorter stay or start a different day? Sentence21: I was able to successfully book you for 3 people for a 1 night stay. Your reference number is 9ZKDXB08 . Is there anything else I can help with? Sentence22: Unfortunately there are no multiple sports locations in the centre of town. Sentence23: I have found 9 hotels with free internet. Do you have a price range you are look for? Sentence24: I would like the taxi to leave Christ's College by 01:30 and take me to the El Shaddai. Sentence25: Sounds good. Could I get the phone number? Sentence26: Absolutely. The phone number is 01223334900. Is there anything else I can help you with today? Question: Who has spoken the sentence 10? (A) User (B) System
Output: 


Answer: (A) User