Relation sumo#origin__from (sumo#process,sumo#object)  the 2nd argument (which must be present at least at the beginning of the process) indicates where the process began; for example, the submarine is the origin in 'the missile was launched from a submarine'
  type:  pm#case_relation_type  the class of predicates relating the spatially distinguished parts of a process. e.g., the agent, patient or destination of an action, the flammable substance in a burning process, or the water that falls in rain
  supertype:  pm#from/to (pm#situation,pm#entity)
     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#where_relation__whererelation (*)  where, from/to where, ...
        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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