Task: Speaker Identification
Input (English): Sentence1: I'm sorry, there aren't any German restaurants in the centre, would you like me to expand the search to other parts of town? Sentence2: you're welcome, goodbye! Sentence3: There are 5 trains that will get to Cambridge by 10:30. The earliest departs Kings Lynn at 05:11. The latest one leaves at 09:11. Sentence4: Yes, there is. What's your price range? Sentence5: The 9:11 one is cool. I need to book for 7 people. Can I make sure to get the reference number? Sentence6: Expensive price range and I need a table for 7 at 13:00 on Thursday and the reference number. Sentence7: and what time do you need to leave? Sentence8: I will be leaving from kings Lynn. Sentence9: your all set reference # is 79REVFJ1 . anything else today? Sentence10: Thank you, thats all i needed. Sentence11: Ok great. Where will you be departing from? Sentence12: Yes I'm looking for a train to Cambridge that same day. Sentence13: I haven't had German food in ages so please find me a place in the centre that serves it Sentence14: Sure, but please make sure there aren't any in the centre again too. Sentence15: I just need to arrive by 10:30. Sentence16: Booking was successful, the total fee is 68.6 GBP payable at the station . Reference number is : H6VTWBV8 . What else can I do for you today? Sentence17: is there one that serves italian food? Sentence18: Goodbye and have a great day. Sentence19: There aren't any options for German food for any area, I'm afraid. Would you like to try a different type of food? Sentence20: thanks for inquiring with us. Question: Who has spoken the sentence 15? (A) User (B) System
Output (English): Answer: (B) System