Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: That sounds great! Could I get the area and phone number of the Bed and Breakfast? Sentence2: There are 23 museums in town, would you perhaps be interested in the Broughton House Gallery? Sentence3: Nope that'll be it. Thanks. Sentence4: Have a Great Day! Sentence5: Yes, their number is 01223314960. Do you need directions, a taxi, or something else? Sentence6: I would like to visit something like a museum, no specific part of town. Sentence7: How about Alexander Bed and Breakfast? It is 4 stars and in the same part of town as the gallery. Sentence8: Ok, it is in the east part of town the post code is cb12dp and the phone number is 01223315702. Anything else I can help you with? Sentence9: If you could just pick one, it does not have to have free parking. Maybe close to the Broughton House Gallery. Sentence10: Yes I need to find a guesthouse, prefer with a 4 star rating. Sentence11: There are 18 four star guesthouses listed, what area of town are you interested in? Sentence12: That sounds great. Can I please have the phone number? Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System