code: def _assemble_regulate_activity(self, stmt):
          
          act_obj = deepcopy(stmt.obj)
          act_obj.activity = stmt._get_activity_condition()
          # We set is_active to True here since the polarity is encoded
          # in the edge (decreases/increases)
          act_obj.activity.is_active = True
          activates = isinstance(stmt, Activation)
          relation = get_causal_edge(stmt, activates)
          self._add_nodes_edges(stmt.subj, act_obj, relation, stmt.evidence)
docs: Example: p(HGNC:MAP2K1) => act(p(HGNC:MAPK1))