Subject	test tube
Predicate	be made of
Object	glass
Modality	Modality Occurrences TBC[thin glass] 3 TBC[thin-walled glass] 1
Polarity	POSITIVE
Plausibility	0.9932
Neighborhood Sigma	1.0000
Local Sigma	0.9988
Example Sentences	Sentence Occurrences Source test tubes are made of thin glass 3 Google Autocomplete test tubes are made of glass 6 Google Autocomplete, Answers.com Questions test tube is made of glass 2 Google Autocomplete test tubes are made of thin-walled glass 1 Answers.com Questions