A weekday can be productive.Logical formLearned from59 sentences. A farm can be productive.Logical formLearned from59 sentences. An economic activity can be productive.Logical formLearned from59 sentences. A level can be productive.Logical formLearned from59 sentences. A phase can be productive.Logical formLearned from58 sentences. Environments can be productive.Logical formLearned from57 sentences. A class can be productive.Logical formLearned from57 sentences. Companies can be productive.Logical formLearned from57 sentences. Developers can be productive.Logical formLearned from57 sentences. A step can be productive.Logical formLearned from57 sentences. Firms can be productive.Logical formLearned from57 sentences. A growth can be productive.Logical formLearned from57 sentences. A summit can be productive.Logical formLearned from57 sentences. Knowledge can be productive.Logical formLearned from56 sentences. Businesses can be productive.Logical formLearned from56 sentences.