You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Trinity college please. Sentence2: I am looking for a place to eat that serves gastropub food in the centre. Sentence3: Yes it is. Would you like to book it? Sentence4: Is it expensive? Sentence5: No that is all I need, thank you. Sentence6: No, thank you. I just need the address, please. Sentence7: The address is 2 Sturton Street City Centre. Sentence8: I also am looking for places to go in the same area as the restaurant. I would like to visit a college. Sentence9: We have many fine colleges in the center, such as Christ's College, Corpus Christi, Jesus College, and Trinity College. Would you like more information about one of them, or perhaps others? Sentence10: We have 3 great gastropubs in the center. I recommend the Backstreet Bistro. Sentence11: Okay. Please let us know if you need anything else during your trip to Cambridge. Sentence12: Trinity college is located on trinity street, and the phone number is 01223338400. The entrance fee is 1 pound. Do you need any additional information? Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System