Relation sumo#instrument (sumo#process,sumo#object)  the 2nd argument is used in bringing about the first and is not changed by it, e.g., the key is an instrument in 'the key opened the door'; instrument and resource cannot be satisfied by the same ordered pair
  exclusion:  sumo#resource  sumo#result
  supertype:  pm#instrument (pm#situation,pm#entity)
     supertype:  pm#object/result (pm#situation,?)
        supertype:  pm#doer/object/result (pm#situation,?)
           supertype:  pm#doer/object/result/place (pm#situation,?)
              supertype:  pm#case_relation__thematic_relation (pm#situation,*)
                 supertype:  pm#relation_from_situation (pm#situation,*)
                    supertype:  pm#relation_from/to_thing_of_common_kind (*)  this type permits to categorize relations according to their signatures and hence
          offers (i) a concise way to set essential exclusion relations, and (ii) a systematic and easy-to-follow categorization
                       supertype:  pm#relation__related_thing__relatedthing___related_with (*)  type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type
        supertype:  pm#what_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
     supertype:  pm#how_relation__howrelation (*)
        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:  sumo#patient (sumo#process,?)  the 2nd argument may be moved, said, experienced, etc; the direct objects in 'The cat swallowed the canary' and 'Billy likes the beer' would be examples of patients; the patient of a process may or may not undergo structural change as a result of the process
     supertype:  pm#object__patient___theme__theme (pm#situation,?)
        supertype:  pm#object/result (pm#situation,?)
        supertype:  pm#object_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


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