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

[EX Q]: Sentence1: Thank You good bye Sentence2: Yes. Kymmoy is an expensive restaurant serving asian oriental food in the centre part of town. Sentence3: Thank you. May I have their phone number? Sentence4: Their number is 01223 311911. Will that be all today? Sentence5: Yes, thank you. Sentence6: There is not matching places that fits your request. Can i help you with something else? Sentence7: Are there any Asian Oriental restaurants in that price range? Sentence8: I'd like to find an expensive restaurant that serves venetian food. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: How about an expensive restaurant that serves British food? Sentence2: Cineworld sounds perfect. What's their postal code? Sentence3: The postal code is cb17dy. Can I get you anything else? Sentence4: There are six expensive British restaurants in Cambridge. Do you have a preferred section of town? Sentence5: Have a good time! Sentence6: It's all new to me. Could you recommend one? Sentence7: Sure thing, we have the cineworld cinema located at Cambridge leisure park, Clifton way. Sentence8: Absolutely, I recommend the Cambridge Chop House at 1 Kings Parade in the centre of town. This is a highly recommended British experience by locals and tourists a-like. Sentence9: No, that'll be all. Thank you for all of your help today. Sentence10: I am sorry but there are no restaurants matching your requests. Would you like me to search for a different food type? Sentence11: Great. Could you also help me find a cinema in the south of town? Sentence12: Hello, I am trying to locate a restaurant that serves northern European food, and I would prefer a more elegant setting. Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: thanks for inquiring with us. Sentence2: la tasca is located in the centre. Do you need for me to book it ? Sentence3: You're very welcome. Is there anything else I can help you with? Sentence4: Can I help you with anything else? Sentence5: No, thats ok. Thank you. Sentence6: i am looking for a spanish restaurant in the moderate price range Sentence7: What time do you need it to arrive? Sentence8: There is the museum of archaelogy and anthropology or the whipple museum of the history of science - do you have a preference? Sentence9: Ok thank you. I will also need a taxi to get between the restaurant and museum. Sentence10: Science is interesting. Could you give me the phone number and entrance fee? Sentence11: Ah, thanks. Also, I'm looking for a museum to go to in the same area. Can you recommend one? Sentence12: Thank you so much. Sentence13: there are eleven in that area. is there a particular type of museum you like? art, history, science? Sentence14: Their address is 14 -16 Bridge Street, their postcode is cb21uf, and their phone number is 01223464630. Sentence15: No, that's all thank you very much. Goodbye Sentence16: Your taxi is booked. Look for a red lexus. Your contact number is 0777538009 Sentence17: I just need to get it's address postcode and number please. Sentence18: I just need to leave the museum by 19:15. Sentence19: You can choose but I need their phone number, postcode and entrance fee. Sentence20: The Museum of Archaeology and Anthropology has a free entrance fee. The phone number is 01223333516. The postcode is CB23DZ. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System