Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: You are welcome. Enjoy your stay. Sentence2: There are many in the east that fit you description. Can I find out what type and rating place to stay you are looking for? Sentence3: Thank you so much for all your help. That is all I need. Sentence4: I have 6 guesthouses that fit that criteria. Would you like a cheap or moderate priced room? Sentence5: I need a place to stay in the east that has free wifi. Sentence6: I'm sorry but I was unable to book those times. Would you like to try another hotel or time? Sentence7: Either would be fine as long as it can accommodate 6 people for 2 nights starting this Sunday. Sentence8: Yes sure I was able to book you into the A and B and your reference number is MOE0AUAT . Sentence9: Would you like me to try and book a room for you at the Carolina Bed and Breakfast? Sentence10: A 4 star guesthouse would be ideal, thank you. Sentence11: Yes please and I need the address,thank you. Sentence12: Could you try a different hotel in the same pricerange please? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System