Read the following premise and answer if the hypothesis is true.
Air Chief Marshal Oluseyi Petinrin (born 19 January 1955) is a senior Nigerian Air Force officer and former Chief of the Defence Staff. Prior to his appointment and promotion as Chief of Defence Staff, he had held the position of Chief of Air Staff (Nigeria).
Hypothesis: Air Chief Marshal Oluseyi Petinrin is very good at his job.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
Yes.