Task: Speaker Identification
Input (English): Sentence1: I am looking for a restaurant that serves british food in the west area. Can you locate one for me please? Sentence2: Thank you! That's all I need from you today. Sentence3: Okay I booked you into an Indian restaurant that is moderately priced called Prezzo and your reference number is TMT76MHK . Sentence4: I would like to get information about moderately priced. Sentence5: There are 3 results for restaurants in the west that serve British food. Do you prefer moderately priced, or expensive? Sentence6: I need something else in the West, moderate priced. Sentence7: Okay. Do not hesitate to call us again if you need anything else. Sentence8: I have st johns chop house within the moderate price range. Can I book it for you? Sentence9: Can you check to see if booking is available for 5 people at 19:30 on Sunday? Sentence10: Sorry, but there is not space for 5 people. Can I search a restaurant in the north? Question: Who has spoken the sentence 4? (A) User (B) System
Output (English): Answer: (A) User