Context: According to Sun Jiadong, the chief designer of the navigation system, "Many organizations have been using our system for a while, and they like it very much."

Question: Who is the chief designer of the BeiDou navigation system?
Answer: Sun Jiadong

Question: What did Sun Jiadong have to say about the BeiDou navigation system?
Answer: "Many organizations have been using our system for a while, and they like it very much."

Question: Who is Sun Jiadong?
Answer: the chief designer of the navigation system

Question: Who says that many organizations dislike the system?
Answer: Unanswerable

Question: Moon Jiadong says that many organizations have been doing what?
Answer: Unanswerable

Question: According to the CEO, how do many organizations feel about the system?
Answer: Unanswerable

Question: Who is quoted as saying not many organizations have used the system?
Answer: Unanswerable