The law says that it is a crime for an American to sell weapons to hostile nations. The country None, an enemy of America, has some missiles, and all of its missiles were sold to it by Colonel West, who is American. Questions: a) Convert the above statement in definite clauses b) Proof by forward chaining (create and tree and give small explanation to the steps to create the tree as well as the tree itself) that "West is criminal" c) Proof by backward chaining (create and tree and give small explanation to the steps to create the tree as well as the tree itself) that "West is criminal