@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix schema:	<http://schema.org/> .
schema:activityDuration	rdf:type	rdf:Property .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
schema:activityDuration	rdfs:label	"activityDuration" ;
	rdfs:comment	"Length of time to engage in the activity." ;
	schema:domainIncludes	schema:ExercisePlan ;
	schema:rangeIncludes	schema:Duration .