Task: Speaker Identification
Input (English): Sentence1: I have no preferences. You can just pick one. I'd like it for 7 people for 5 nights starting from saturday. Sentence2: TR4494 will depart at 17:19 on saturday and arrive by 18:09. Would you like me to book it for you? Sentence3: I need it for Saturday and I want to arrive by 18:15. Sentence4: This is unavailable would you like to book a shorter stay or a different day? Sentence5: Let us know if you need anything else. Good bye. Sentence6: Great! You're booked for 3 nights at Bridge Guest House with reference number AH7L4RXZ . May I help with anything else? Sentence7: No, it does not offer that. Would you like something that does? Sentence8: Great! You have helped me tremendously. I don't need anything else. Thank you! Sentence9: Yes please. Can you book 7 tickets on that train? I'd like a reference number if possible. Sentence10: I am looking for a guesthouse to stay at in the moderate price range. Sentence11: When do you need that train? Sentence12: Does it have free parking? Sentence13: ok, I have a couple that meet that criteria. Would you like 3 or 4 stars? Sentence14: Yes, I need a train out of Peterborough into Cambridge, please. Sentence15: How about the a and b guest house? Sentence16: How about 3 nights for the same day and number of people? Sentence17: Booking was successful, the total fee is 92.4 GBP payable at the station. Reference number is : 8JPQ3AQT . Sentence18: Yes. I need free parking, and I prefer the southern part of town. Question: Who has spoken the sentence 7? (A) User (B) System
Output (English): Answer: (B) System