Subject	leukemia
Predicate	weaken
Object	immune system
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9033
Neighborhood Sigma	0.9805
Local Sigma	0.9249
Example Sentences	Sentence Occurrences Source leukemia weaken the immune system 3 Google Autocomplete, Answers.com Questions leukemia weakens the immune system 3 Google Autocomplete, Answers.com Questions