Lightning is related to Bolt. Bolt is related to Escape. Escape is related to Blame. Blame is related to Responsibility. 
Presidency is related to Rule. Rule is related to Be. 
Lightning <--RelatedTo--> Bolt <--RelatedTo--> Escape <--RelatedTo--> Blame <--RelatedTo--> Responsibility 
Presidency <--RelatedTo--> Rule <--RelatedTo--> Be 