A trip can be productive.Logical formLearned from115 sentences. Fishery can be productive.Logical formLearned from115 sentences. A day can be productive.Logical formLearned from115 sentences. Units can be productive.Logical formLearned from115 sentences. Scholars can be productive.Logical formLearned from113 sentences. A month can be productive.Logical formLearned from109 sentences. Industries can be productive.Logical formLearned from107 sentences. A value can be productive.Logical formLearned from106 sentences. Interactions can be productive.Logical formLearned from106 sentences. An interaction can be productive.Logical formLearned from106 sentences. A development can be productive.Logical formLearned from101 sentences. A place can be productive.Logical formLearned from101 sentences. A team can be productive.Logical formLearned from100 sentences. The economy can be productive.Logical formLearned from98 sentences. A state can be productive.Logical formLearned from97 sentences.