The ancestor of keyword checks if a concept is the ancestor of another concept.
Syntax
concept_a ancestor of concept_b
Returns
A boolean value that indicates if concept_a is an ancestor of concept_b.
Examples
'Europe' ancestor of 'Europe'.'the Netherlands'.'Amsterdam'
/* returns true */
'Asia' ancestor of 'Europe'.'the Netherlands'.'Amsterdam'
/* returns false */
'colors' ancestor of 'colors'.'blue'
/* returns true */
'colors' ancestor of 'Albums'.'Joni Mitchell'.'blue'
/* returns false */
