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

[EX Q]: Sentence1: can you tell me what area that's in? Sentence2: The Avalon is a guesthouse at 62 gilbert road with free wifi but no parking. Would you like to book them or keep looking? Sentence3: A and B Guesthouse is in the east Sentence4: I have found 14 different guesthouses for you. What area are you interested in? and will you be needing parking? Sentence5: I'd like the accommodations to be a guesthouse, if possible. Sentence6: There are 3 hotels in the moderate price range with free internet. Do you want free parking and what area do you want to stay in? Sentence7: I need a guesthouse in the moderate price range with free wifi. Please let me know whether they have free parking. Sentence8: i'm looking for a moderately priced hotel that includes free wifi. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I have two restaurants that meet your needs, Graffiti and Travellers Rest. Would you like to make a reservation at one of those? Sentence2: Yes, I need to book a table for five people at 17:15 for this Thursday. Sentence3: Thank you so much. Have a nice day. Bye. Sentence4: A reservation at 16:15 was successful at Graffiti. Your reference number is VCCP7L4M . Is there anything else I can help you with today? Sentence5: You're welcome, have a good meal. Sentence6: Will you check 16:15? Sentence7: Are there any expensive British restaurants in town? Sentence8: There are 57 restaurants that match your specifications. Do you want anything more specific? Sentence9: Yes, I'd like to find one in the west side of town. Sentence10: I am unable to book a restaurant at that time on Thursday. Is there another day or time slot I can check for you? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Where will you be departing from? And is there a preferred time you would like to arrive by or leave after? Sentence2: I need a room to be booked for 6 people and 4 nights starting from the same day Sentence3: What's the total travel time for TR5358? Sentence4: Nope. That's all. Bye now. Sentence5: I would suggest bridge guest house. Sentence6: Goos-bye, have a great day. Sentence7: TR5358 will depart the airport at 12:24 and arrive at Cambridge at 12:52. Would you like to book a ticket? Sentence8: I am departing from Stansted Aiport and would like to arrive by 13:30. Sentence9: How many stars would you like? Sentence10: I'd like to find out when a train leaves on Sunday for Cambridge. Sentence11: Does it have free wifi? Sentence12: Thank you for booking and providing the reference number. Sentence13: It doesn't matter. I need it to be located in the south. Sentence14: Booked! Reference number: G6ORAH2J . Sentence15: the travel time is about 28 minutes. Sentence16: Yes. Shall I book for you? How many people? Sentence17: I also need a guesthouse to stay in. Sentence18: Was there anything else I could help you with today? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User