Relation pm#relation_to_another_attribute_or_quality_or_measure (attribute_or_quality_or_measure,attribute_or_quality_or_measure)
supertype: relation_from_attribute_or_quality_or_measure relation_to_attribute_or_quality_or_measure
subtype: measure (attribute_or_quality_or_measure,attribute_or_quality_or_measure) e.g., [a weight, measure: 75 kg]
subtype: q_location__qlocation (quality,region)
subtype: has_quale__hasquale__ql (quality,quale)