code: def _assemble_gap(self, stmt):
          
          gap = deepcopy(stmt.gap)
          gap.activity = ActivityCondition('gap', True)
          ras = deepcopy(stmt.ras)
          ras.activity = ActivityCondition('gtpbound', True)
          self._add_nodes_edges(gap, ras, pc.DIRECTLY_DECREASES, stmt.evidence)
docs: Example: act(p(HGNC:RASA1), ma(gap)) =| act(p(HGNC:KRAS), ma(gtp))