Every object in Ruby has at least one parent class. But most
objects typically inherit from multiple classes and mixes in
various modules. These classes and modules together forms the
inheritance hierarchy of the object. The methods added to an
object by a class/module can however be overriden by others
which are below them in the inheritance chain. In this problem,
the location_in_hierarchy method takes two parameters: method.
You've to find the very first superclass of the object (starting
with BasicObject) that defines