Task: Speaker Identification
Input (English): Sentence1: Okay, great. I'm glad I could help. Have a great day. Goodbye. Sentence2: Yes. I would like Greek food please. Sentence3: I'm looking for a place to dine. The restaurant should be in the expensive price range and should be in the centre. Sentence4: There are 3 restaurants that meet that criteria. May I suggest fitzbillies restaurant? Sentence5: Thank you that's all I need today. Sentence6: That sounds great. Could you book a table for 2 people at 15:45 on saturday. Sentence7: I'm sorry there's no matches for greek food. Sentence8: Okay, can you search for british food instead then? Sentence9: Do you have a preference on the type of food? Sentence10: Booking was successful. The table will be reserved for 15 minutes. Reference number is : BSMDJMXH . Can I be of further assistance? Question: Who has spoken the sentence 4? (A) User (B) System
Output (English): Answer: (A) User