Task: Speaker Identification
Input (English): Sentence1: There are two restaurants serving Mediterranean food in the expensive price range. Your options are La mimosa or Shiraz restaurant. Sentence2: La Mimosa's address is Thompsons Lane Fen Ditton, phone number 01223362525. Sentence3: What is the address and phone number of one of them? Sentence4: How about mediterranean food? Sentence5: Thank you goodbye. Sentence6: You're welcome, goodbye. Sentence7: Hello, I am looking for an expensive restaurant that serves fusion food. Sentence8: I'm sorry, there are no fusion restaurants listed in the cheap price range. Would you like to try something else? Question: Who has spoken the sentence 5? (A) User (B) System
Output (English): Answer: (B) System