A period of an (attendee positive) can be consistent with ingestion of a meal.Logical formLearned from2 sentences. A positive can be for perfringens.Logical formLearned from2 sentences. Positive may look at a source.Logical formLearned from2 sentences. A positive may provide evidence of intoxication.Logical formLearned from2 sentences. A false positive can be rare.Logical formLearned from2 sentences. Positive can be definite.Logical formLearned from2 sentences. A coefficient can be a positive.Logical formLearned from2 sentences. A positive can be expected.Logical formLearned from2 sentences. (Content analysis) may generate some false positives.Logical formLearned from2 sentences. False positives may block traffic.Logical formLearned from2 sentences. False positives may be eliminated.Logical formLearned from2 sentences. False positives can be for systems.Logical formLearned from2 sentences. A score may be derived from a graph of true positives.Logical formLearned from2 sentences. False positives can be for mammography.Logical formLearned from2 sentences. A person may receive a positive.Logical formLearned from2 sentences.