Persons may overcome a difficulty.Logical formLearned from16 sentences. A difficulty may pertain-to a shot.Logical formLearned from16 sentences. A us-state may experience difficulties.Logical formLearned from16 sentences. Difficulties may undergo an understanding.Logical formLearned from16 sentences. Persons may have (difficulty breathings).Logical formLearned from16 sentences. A female can be aware of difficulties.Logical formLearned from16 sentences. Difficulties may be faced by families.Logical formLearned from16 sentences. A difficulty can be regular.Logical formLearned from16 sentences. A sign can be constituted-of-or-filled-with difficulty.Logical formLearned from16 sentences. Difficulties can be periodic.Logical formLearned from16 sentences. Difficulties can be in functioning.Logical formLearned from16 sentences. Difficulty may relate to others.Logical formLearned from16 sentences. Persons may run into some difficulties.Logical formLearned from16 sentences. Difficulties may raise questions.Logical formLearned from16 sentences. Difficulties may be caused.Logical formLearned from16 sentences.