A positive test can be for amphetamines.Logical formLearned from33 sentences. A positive attitude can be in a world-city.Logical formLearned from33 sentences. A local news can be positive.Logical formLearned from33 sentences. Increases can be positive.Logical formLearned from33 sentences. A patient may test positive.Logical formLearned from33 sentences. (Analyst comments) can be positive.Logical formLearned from33 sentences. A trial can be positive.Logical formLearned from32 sentences. An issue can be positive.Logical formLearned from32 sentences. A cast can be positive.Logical formLearned from32 sentences. A rider may test positive.Logical formLearned from32 sentences. A mass can be positive.Logical formLearned from32 sentences. A substance may test positive.Logical formLearned from32 sentences. Animals may test positive.Logical formLearned from32 sentences. A site can be positive.Logical formLearned from32 sentences. Some percent may be tested positive.Logical formLearned from32 sentences.