If AltaVista's list of search refinements was generated by a human, for instance, it might be more helpful.
If AltaVista's list of suggestions was hand-generated, most people would like it more.
mnli hypothesis: If AltaVista's list of suggestions was hand-generated, most people would like it more. premise: If AltaVista's list of search refinements was generated by a human, for instance, it might be more helpful.