You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: I have a 9:17 train that will get you into Cambridge by 10:08. Sentence2: I need a good place to eat dinner. I Like Italian, what do you suggest? Sentence3: Great. I will be leaving London Kings Cross and want to get to Cambridge by 11:45 the day I eat at the restaurant. Sentence4: The travel time is 51 minutes and the per ticket price is 23.60GBP. Sentence5: feel free to contact us again should you need more assistance. goodbye. Sentence6: I can suggest the pizza express in the centre. Would you like more information on that? Sentence7: Please make a booking for a table of 2 at 16:15 on Thursday and provide the reference number. I also need to look for a train. Sentence8: I do not have a preference in price. Sentence9: Sure! There are plenty of options. Do you prefer a certain area or price range? Sentence10: Okay, may I please have the travel time and price? Sentence11: Thank you so much, I will book later. Have a great day, you have been helpful. Sentence12: I booked you a table for 2 for Thursday at 16:15 at the Pizza Express. Your reference number is 6PXRDIHG . Now let me help you with the train Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System