Task: Speaker Identification
Input (English): Sentence1: Okay. Glad we could help! Sentence2: I found acorn guest house. It is moderately priced and has four stars! Would you like me to book that for you? Sentence3: Yes please create a booking for 6 people. It needs to be for 2 nights starting on Tuesday. Sentence4: I need a guesthouse with a moderate price. Sentence5: No, that'll be all! Thank you for your help! Sentence6: No, I don't have a preference. I'd like the guesthouse to have free parking though! Sentence7: Do you have a preferred area of the city you'd like to stay in? Sentence8: Of course! You're all set, with reference number WZRKRXGZ . May I help with anything else? Question: Who has spoken the sentence 4? (A) User (B) System
Output (English): Answer: (A) User