Subject	chunk
Predicate	have considered
Object	part of solar system ice
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0035
Neighborhood Sigma	0.0038
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source chunks of rock have considered a part of the solar system ice and dust 1 Answers.com Questions