Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Yes I would like to book a table for 6 people at 16:15 on Thursday. Sentence2: We have Curry Prince and Rajmahal. Would you like to book a table at either one of those? Sentence3: I'm looking for an indian restaurant that is priced moderately. Sentence4: No, thank you. Sentence5: Thank you . Sentence6: One in the East, please. Sentence7: Booking was successful at Rajmahal. your reference number is Z1827CKB . Is there anything else I can assist with? Sentence8: There are four restaurants that meet that criteria, one in the north, one in the west, and two in the east. Which area would you prefer? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System