Topic for discussion: An insurance company is covering the World Trade Center. The policy specifies a payout of up to 3.5 billion dollars for a terrorist attack. Since destruction is total, the maximum amount applies…but wait! On September 11, 2001, was there one terrorist attack on the World Trade Center? Or were there two, for a total liability of 7 billion?
Three and a half billion dollars hinge on this answer. For more details, see this article.