A balance can be positive.Logical formLearned from68 sentences. Sprinter may test positive.Logical formLearned from68 sentences. Samples may test positive.Logical formLearned from68 sentences. Some persons can be positive.Logical formLearned from67 sentences. A market can be positive.Logical formLearned from67 sentences. Lyrics can be positive.Logical formLearned from67 sentences. A book can be positive.Logical formLearned from67 sentences. Credit can be positive.Logical formLearned from67 sentences. Someone may test positive.Logical formLearned from67 sentences. A demeanor can be positive.Logical formLearned from67 sentences. A source can be positive.Logical formLearned from67 sentences. A spot can be positive.Logical formLearned from67 sentences. A print can be positive.Logical formLearned from67 sentences. A twist can be positive.Logical formLearned from67 sentences. A coaching can be positive.Logical formLearned from66 sentences.