A song can be lengthy.Logical formLearned from30 sentences. A (pit stop) can be lengthy.Logical formLearned from30 sentences. Flights can be lengthy.Logical formLearned from30 sentences. A practice can be lengthy.Logical formLearned from30 sentences. A test can be lengthy.Logical formLearned from30 sentences. A (conference call) can be lengthy.Logical formLearned from30 sentences. E-mails can be lengthy.Logical formLearned from30 sentences. A (wish list) can be lengthy.Logical formLearned from30 sentences. A (recovery period) can be lengthy.Logical formLearned from30 sentences. An attempt can be lengthy.Logical formLearned from30 sentences. Questions can be lengthy.Logical formLearned from30 sentences. Histories can be lengthy.Logical formLearned from30 sentences. A legislative process can be lengthy.Logical formLearned from30 sentences. Presence can be lengthy.Logical formLearned from30 sentences. A decline can be lengthy.Logical formLearned from29 sentences.