| exp FOLLOWS queryBlock # RuleStatement
| chrQuery IMPLIES chrQuery # CHRStatement
| WHEN verboseChrQuery THEN_AFTER_WHEN verboseChrQuery # VerboseCHRStatement
| exp FOLLOWS queryBlock # RuleStatement
| chrQuery IMPLIES chrQuery # CHRStatement
| WHEN verboseChrQuery THEN_AFTER_WHEN verboseChrQuery # VerboseCHRStatement