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

[Q]: Sentence1: Would you like to book a room at the acorn guest house? It is in the moderate price range like the Hamilton Lodge. Sentence2: Nope. I think that is all I need. Thanks for your help! Sentence3: Yes that will be fine. Sentence4: Your booking was successful. Your reference number is 1WRSIG9U . Is there anything else I can help you with? Sentence5: Happy to help. Have a great day! Good-Bye! Sentence6: I am sorry the booking was unsuccessful,can I help you find another place in the same area? Sentence7: Yes please. I'd like a room for 5 people on Monday for 5 nights. Sentence8: Yes, this guesthouse is open. Do you need help with booking? Sentence9: How about another hotel in the same price range? Sentence10: Howdy! Is the Hamilton Lodge still open? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Can you recommend a moderately priced restaurant in the South part of town? Sentence2: could i have the address and phone number please? Sentence3: sure, pizza hut cherry hinton is located at G4 cambridge leisure park clifton way cherry hinton and the phone number is 01223 413000. Is there anything else I can help you with? Sentence4: Would you prefer Italian or Modern european food? Sentence5: I don't care. Either one is fine. Sentence6: No, that is all I needed. Thank you. Bye bye. Sentence7: How about Pizza Hut Cherry Hinton. It serves Italian food, is in the moderate price range, and in the south part of town. Sentence8: Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: That is perfect. Can I get the phone number and postal code please? Sentence2: I need to find a train from Cambridge. Sentence3: The train closest to your desired time is TR6053 which departs Cambridge at 19:50 and arrives in Ely at 20:07. Would you like to book a ticket? Sentence4: There are trains leaving Cambridge every two hours. Sentence5: What is the travel time on that train? Sentence6: I need one on Friday heading to Ely. I need to leave after 19:30. Sentence7: I am also looking for a place to go in the centre. Sentence8: We have many diverse activities in the center of town, from architectural landmarks to parks and pools to nightclubs like the Soul Tree. What interests you today? Sentence9: I'm not really picky, just something fun. What's your favorite? Sentence10: Travel time is 17 minutes. Sentence11: Yes, their phone number is 01223477900 and their address is 1-6 corn exchange street. Sentence12: Thank you for using our service. Goodbye. Sentence13: I would recommend Soul Tree Nightclub. It is in the centre area and the entrance fee is 4 pounds. Sentence14: Okay, thank you. That's all I need. Bye! Question: Who has spoken the sentence 6? (A) User (B) System
[A]:
Answer: (A) User