anchor.diff:      | TEXT
       | THAN
       | THE
  +    | THEN
       | THREAD
       | THROUGH
       | TIER
  
positive.code:     | SYS_XSID_TO_RAW
      | SYS_ZMAP_FILTER
      | SYS_ZMAP_REFRESH
      | TABLE_LOOKUP_BY_NL
      | TABLES
      | TABLESPACE
  
negative.code:     | PENDING
      | PERCENTILE_CONT
      | PERCENTILE_DISC
      | PERCENT_KEYWORD
      | PERCENT_RANKM
      | PERCENT_RANK
      | PERFORMANCE
  