Negotiations can be productive.Logical formLearned from153 sentences. A base can be productive.Logical formLearned from152 sentences. Agriculture can be productive.Logical formLearned from151 sentences. A hitter can be productive.Logical formLearned from151 sentences. A summer can be productive.Logical formLearned from147 sentences. A land can be productive.Logical formLearned from147 sentences. Productive forces may undergo a development.Logical formLearned from146 sentences. Processes can be productive.Logical formLearned from143 sentences. An enterprise can be productive.Logical formLearned from139 sentences. A time can be productive.Logical formLearned from139 sentences. An industry can be productive.Logical formLearned from136 sentences. A worker can be productive.Logical formLearned from135 sentences. Roles can be productive.Logical formLearned from135 sentences. A night can be productive.Logical formLearned from134 sentences. An exchange can be productive.Logical formLearned from133 sentences.