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

[EX Q]: Sentence1: Thanks for using our services. Sentence2: I would prefer moderate price range. Sentence3: Got everything. Thanks. Goodbye. Sentence4: The restaurant is called meghna. The postcode is cb43lf, the address is 205 Victoria Road Chesterton. Anything else? Sentence5: Are there any Indian restaurants there? Sentence6: no, I just need to know the postcode. Sentence7: WHich price range do you want? I have expensive and moderate. Sentence8: Yes, there are 22. What area would you like to dine in? Sentence9: I want to dine in the west. Sentence10: I have found one, Can I make a booking for you? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Help me reserve a taxi to take me to kambar Sentence2: Sure! when would you like to arrive? Sentence3: Sure! What is your departure site? Sentence4: Great. Have a wonderful day. Sentence5: Okay I booked your taxi successfully Sentence6: It doesn't matter. I just want to leave there after 10:45 Sentence7: I need to leave from lovell lodge Sentence8: Great, what are the details, please? Sentence9: A white honda will be picking you up, the contact number is 07580557287. Is there anything else I can help you with? Sentence10: That's all I need for now. Thank you. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Okay, thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence2: There is 1 hotel and 9 guesthouses in the cheap price range. Do you have a preference for type or area? Sentence3: How about Autumn House? It's cheap and in the East. Sentence4: I would like something in the east of the city, I don't care about internet Sentence5: That sounds good, Thank you Sentence6: Okay, I've made you a reservation at the autumn house. Your reference number is HCQFAEJ3 . Can I do anything else for you today? Sentence7: Sure, can you try just 2 nights, please? Sentence8: Yes. I need a reservation for 2 people for 4 nights starting on Saturday. Sentence9: I'm sorry, the reservation was unsuccessful. Would you like to try a different day or a shorter stay? Sentence10: Would you like me to book a reservation for you? Sentence11: Hi. I a looking for a cheap place to stay. What can you recommend for me? Sentence12: No that would be all. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System