Read the following premise and answer if the hypothesis is true.
John (Johnnie) White (died 2007) was a high-ranking staff officer of the Official Irish Republican Army (Official IRA) in Derry, Northern Ireland and later Adjutant General of the Irish National Liberation Army (INLA). He was a key figure in Derry in the early years of the Troubles, and played a prominent role in the events surrounding the creation and defence of Free Derry.
Hypothesis: John White died of natural causes.. 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
It's impossible to say based on the given information. The premise only states that John White died in 2007, it does