Travellers can be worried.Logical formLearned from7 sentences. European governments can be worried about take_onning debt.Logical formLearned from7 sentences. Investors can be worried about companies.Logical formLearned from7 sentences. Middle class can be worried about lossing jobs.Logical formLearned from7 sentences. A person can be worried after lossing a set.Logical formLearned from7 sentences. Leaders may get worried.Logical formLearned from7 sentences. Administrators can be worried about an ability.Logical formLearned from7 sentences. (Rescue officials) can be worried.Logical formLearned from7 sentences. Unions can be worried about some layoffs.Logical formLearned from7 sentences. Organizers can be worried.Logical formLearned from7 sentences. A road may remain worried.Logical formLearned from7 sentences. Investors can be worried over (credit tightening policies).Logical formLearned from7 sentences. (Bank employees) can be worried about jobs.Logical formLearned from7 sentences. A person can be worried about eating.Logical formLearned from7 sentences. Some (energy investors) can be worried that something-is-the-case.Logical formLearned from7 sentences.