Queries

Formulate these queries:

• Was George I the parent of Charles I?
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

  Query: parent(charles1, george1).

• Who was the parent of Charles I?
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

  Query: parent(charles1, Parent).

• Who were the children of Charles I?
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

  Query: parent(Child, charles1).