Premise: To illustrate the Kennedys' penchant for adventure, recklessness, and disaster, the Post compares John's crash to the death of Joe Kennedy Jr., in a World War II bombing mission and to Michael Kennedy's fatal crash into a tree while playing football on skis.

Hypothesis: To illustrate Kennedy's taste for adventure and disaster, the post compares John's crash to the death of Joe Kennedy jr in a bombing mission. 
Relation: entailment