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

Sentence1: They can be reached by calling 01223358966. Sentence2: Take care. Goodbye. Sentence3: How do I contact the Parkside, Cambridge police station? Sentence4: I'll need to address also. Sentence5: contact the Parkside, Cambridge police station Sentence6: No, thank you. Sentence7: The Parkside Police Station is located in Parkside, Cambridge and the Postcode is CB11JG. Is there anything else I can help you with? Sentence8: Help me, please, I was just the victim of a robbery! I need help right away! Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Thank you! That is all I need. Sentence2: You are very welcome! Sentence3: Yes, I'm calling regarding Addenbrookes Hospital. What is the address please? Sentence4: The Addenbrookes Hospital is located at Hills Rd, Cambridge Postcode CB20QQ. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: I'm looking for a restaurant in the center of town. Sentence2: I was hoping to find a place that serves Indian food. Sentence3: I am also looking for a place to stay in the same area and same price range. Sentence4: I have two hotel in the Centre, shall I book one? Sentence5: Both Gonville Hotel and University Arms Hotel have free wifi and are expensive options in the centre of town. Sentence6: I need an address and phone number for the restaurant. Sentence7: I am unable to find any Indian restaraunts in the the center of town. Can you narrow down your preferred area please? Sentence8: Can you book me at the Gonville Hotel ? I also need a taxi booked.I need the taxi number and car type. Sentence9: My apologies, I actually do not need the hotel booked, but I do need a taxi to commute between the hotel and the restaurant, leaving the hotel at 23:45. Sentence10: Okay, thank you so much. Goodbye. Sentence11: Okay you're all set for a car. There will be a white Volkswagen taking you from the Gonville to Curry Garden, leaving the hotel at 23:45. Their contact number is 07462048280. Sentence12: Does one not have free internet? Sentence13: Goodbye! Have a great day! Sentence14: I would recommend The Curry Garden in the city center. Sentence15: We have a lot of them. Any specific location? Sentence16: Their address is 106 Regent Street City Centre and phone is 01223302330. Is there anything else you require? Sentence17: I have 14 restaurants that serve expensive indian food. Is there area of town you would like? Sentence18: An expensive Indian restaurant in the centre, I will require the address and phone number please. Sentence19: I'm not getting any results for those specific, do you want to try something else? Sentence20: I'm really looking for an Indian restaurant in the expensive price range in the town centre. What can you recommend? Sentence21: Hello, can you recommend an expensive restaurant in Cambridge? Sentence22: Can you please give me the day you are starting your stay, number of days, and the number of people staying? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User