Persons can be worried by a situation.Logical formLearned from12 sentences. Somebody can be worried.Logical formLearned from12 sentences. Employees can be worried.Logical formLearned from12 sentences. A person can be worried about survival.Logical formLearned from12 sentences. Villagers can be worried.Logical formLearned from12 sentences. Investors can be worried about a country.Logical formLearned from12 sentences. A person can be worried about a market.Logical formLearned from12 sentences. Persons can be worried about an outbreak of disease.Logical formLearned from12 sentences. A person can be worried about conditions.Logical formLearned from11 sentences. Some members can be worried.Logical formLearned from11 sentences. Investors can be worried about earnings.Logical formLearned from11 sentences. Persons can be worried about jobs.Logical formLearned from11 sentences. Environmental groups can be worried.Logical formLearned from11 sentences. A person can be worried about problems.Logical formLearned from11 sentences. Persons can be worried about a future.Logical formLearned from11 sentences.