Subject	sanitary landfill
Predicate	have
Object	protective liners of compacted clay
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4561
Neighborhood Sigma	0.5053
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source sanitary landfills have protective liners of compacted clay and high density plastic 2 Answers.com Questions