code: def _assemble_regulate_amount(self, stmt):
          
          activates = isinstance(stmt, IncreaseAmount)
          relation = get_causal_edge(stmt, activates)
          self._add_nodes_edges(stmt.subj, stmt.obj, relation, stmt.evidence)
docs: Example: p(HGNC:ELK1) => p(HGNC:FOS)