Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: thanks for all your help. You've been great. Have a nice day. Goodbye. Sentence2: The star rating is not important. Either of those will do. Can I just get the name of one and the address please? Sentence3: No thanks, can you help me find a nightclub to go to? Sentence4: I also need a taxi. Ill need to leave club salsa by 15:45 and go to bridge guest house. Sentence5: Great we have 33 places, do you have anything to narrow it down? Sentence6: No problem! Is that all I can help you with today? Sentence7: Somewhere in the south would be ideal. Sentence8: There are several nightclubs in the centre and one in the south. Are you looking for anything in particular? Sentence9: There are 2 guest houses in the south part of town both have parking and internet. Do you want a 4 or 3 star room? Sentence10: Bridge guest house is located at 151 hills road. Would you like to book? Sentence11: We have 15 moderate priced Guesthomes available that may suit your needs, is there a certain area or star rating you are interested in? Sentence12: i booked your taxi. there will be a black lexus coming for you. their phone number is 07229053145. Sentence13: I am looking for a place to stay. Sentence14: OKay that's perfect thanks so much. Sentence15: I'd like a moderately priced guesthouse. Sentence16: Yes, I recommend Club Salsa on 1 Station Road. It costs 5 pounds to get in. Sentence17: There are two: Aylebray Lodge Guest House and Bridge Guest House. Do either of those sound appealling? Sentence18: You're welcome. I hope you enjoy your trip. Sentence19: Not sure yet. Does either have free parking? I also need free wifi. Sentence20: No, can you recommend your favorite one? Sentence21: Thank you. I'll need the contact number and car type, please? Sentence22: Okay let me work on booking that for you! Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System