A crew may have difficulty.Logical formLearned from30 sentences. Some problem can be a difficulty.Logical formLearned from30 sentences. Persons may understand a difficulty.Logical formLearned from30 sentences. Difficulties can be real.Logical formLearned from30 sentences. (Processing difficulties) can be auditory.Logical formLearned from30 sentences. A difficulty may occur.Logical formLearned from30 sentences. Difficulties can be with a system.Logical formLearned from30 sentences. Difficulties may be confronted.Logical formLearned from30 sentences. Blacks may have difficulty.Logical formLearned from30 sentences. A person may overcome difficulties.Logical formLearned from30 sentences. The economy may face difficulties.Logical formLearned from30 sentences. A difficulty can be related.Logical formLearned from29 sentences. Difficulties can be in a (peace process).Logical formLearned from29 sentences. Difficulties can be in communication.Logical formLearned from29 sentences. Firefighters may have difficulty.Logical formLearned from29 sentences.