Relation pm#participant_in_Dolce_Lite (dl#perdurant,dl#endurant)
  supertype:  pm#case_relation__thematic_relation
  subtype:  dl#participant__PC (dl#perdurant,dl#endurant)  the DOLCE predicate PC(x,y,t) means "x participates in y during t" but this relation respects the usual reading conventions: the 1st argument has for participant the 2nd
     subtype:  dl#total_participant__totalparticipant__PC.T (dl#perdurant,dl#endurant)
     subtype:  dl#temporary_total_participant__temporarytotalparticipant__PC.t (dl#perdurant,dl#endurant)
  subtype:  dl#constant_participant__PC.C (dl#perdurant,dl#endurant)