Part 6: implement decision tree for processing simple alternation.
Part 6: implement decision tree for processing simple alternation.

mozilla/mentat,mozilla/mentat,ncalexan/datomish,ncalexan/mentat,ncalexan/mentat,mozilla/mentat,ncalexan/mentat,mozilla/mentat,ncalexan/mentat,ncalexan/mentat,mozilla/mentat,mozilla/mentat,ncalexan/mentat,ncalexan/datomish