Relation akts#hour-of (sumo#time_point,sumo#nonnegative_integer)
  supertype:  akts#temporal_relation_from_time_point (sumo#time_point,sumo#nonnegative_integer)
     supertype:  akts#temporal_relation (?,?)
        supertype:  pm#temporal_relation (?,?)
           supertype:  pm#relation_playing_a_special_role (*)  this type permits to categorize relations according to their roles ; this is a traditional but quite subjective way of categorizing relations
              supertype:  pm#relation__related_thing__relatedthing___related_with (*)  type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type
           supertype:  pm#when_relation (?,?)
              supertype:  pm#wh-/how_relation (*)  this type permits to categorize relations according to the usual who/what/why/where/when/how questions ; this is a traditional but very subjective and ineffective way of categorizing relations 
                 supertype:  pm#relation__related_thing__relatedthing___related_with (*)  type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type


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