A condition can be productive.Logical formLearned from21 sentences. A way can be productive.Logical formLearned from21 sentences. A legislature can be productive.Logical formLearned from21 sentences. A spending can be productive.Logical formLearned from21 sentences. Stands can be productive.Logical formLearned from21 sentences. Pastures can be productive.Logical formLearned from21 sentences. A chain can be productive.Logical formLearned from21 sentences. Spending can be on productive capacity.Logical formLearned from21 sentences. Aquifers can be productive.Logical formLearned from20 sentences. An option can be productive.Logical formLearned from20 sentences. An arrangement can be productive.Logical formLearned from20 sentences. A partnership can be productive.Logical formLearned from20 sentences. Factories can be productive.Logical formLearned from20 sentences. A cause can be productive.Logical formLearned from20 sentences. Orders can be productive.Logical formLearned from20 sentences.