A (productivity gain) can be annual.Logical formLearned from4 sentences. A loss can be in (worker productivity).Logical formLearned from4 sentences. Persons may achieve (productivity gains).Logical formLearned from4 sentences. A productivity may pertain-to a flock.Logical formLearned from4 sentences. A relationship can be with productivity.Logical formLearned from4 sentences. A zone can be constituted-of-or-filled-with productivity.Logical formLearned from4 sentences. A (surface water productivity) can be high.Logical formLearned from4 sentences. A productivity may pertain-to an ocean.Logical formLearned from4 sentences. A system may increase a productivity.Logical formLearned from4 sentences. Changes may lead to productivity.Logical formLearned from4 sentences. Some factors may affect productivity.Logical formLearned from4 sentences. Productivity may be decreased.Logical formLearned from4 sentences. Productivity may pertain-to a process.Logical formLearned from4 sentences. (Productivity growth) can be in a continental-region.Logical formLearned from4 sentences. Productivity can be in a life.Logical formLearned from4 sentences.