Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Thank you. That is all for now. Sentence2: Sorry, I would like that for Thursday. Sentence3: I really just want a place in the centre that is also moderate in price Sentence4: I would like to find a 1 star hotel to stay at that includes free parking. Do you know of any? Sentence5: Would you like to try an Asian restaurant? Sentence6: I also need to find somewhere to eat. Sentence7: That does not matter but I want it to have 4 stars. Sentence8: There are many in the moderate price range. What area of town would you like to be in? Guesthouse or hotel? Sentence9: Not yet. Could I get the address? Sentence10: You are welcome. Enjoy your visit to Cambridge, bye Sentence11: What day would you like that booking for? Sentence12: I would recommend the ayelsbray lodge guest house, would you like me to book you? Sentence13: yes its 154 Chesterton Road , is there anything else ? Sentence14: Sure! Could you book it for 8 people at 12:15? Sentence15: We a many great restaurants in town! Is there a particular type of cuisine you would like? Sentence16: The table will be reserved for 15 minutes at the yippee noodle bar. Reference number is : SYZP8RAY . Sentence17: Well could we look for a hotel in the moderate price range? Sentence18: There is no match for those criteria Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System