// calculate intersections of coverings:
TextRulerStatisticsCollector resultC = new TextRulerStatisticsCollector(c1);
resultC.getCoveredPositiveExamples().retainAll(c2.getCoveredPositiveExamples());
resultC.getCoveredNegativeExamples().retainAll(c2.getCoveredNegativeExamples());
resultC.reflectCountsFromCoveredExamples();
return resultC;
}
protected LP2Rule createAndCheckRuleFromStartRules(final List<LP2Rule> startRules,