A level can be constituted-of-or-filled-with difficulty.Logical formLearned from255 sentences. Difficulties can be insurmountable.Logical formLearned from253 sentences. Difficulty may sleep.Logical formLearned from242 sentences. A time can be constituted-of-or-filled-with difficulty.Logical formLearned from240 sentences. Children can be with (learning difficulties).Logical formLearned from239 sentences. Difficulties can be respiratory.Logical formLearned from234 sentences. A difficulty can be obvious.Logical formLearned from231 sentences. Difficulties can be conceptual.Logical formLearned from229 sentences. A difficulty may pertain-to a situation.Logical formLearned from228 sentences. A sign may pertain-to difficulties.Logical formLearned from221 sentences. Students may have difficulties.Logical formLearned from218 sentences. Difficulty may walk.Logical formLearned from217 sentences. Part of a difficulty can be that something-is-the-case.Logical formLearned from217 sentences. Students can be with (learning difficulties).Logical formLearned from214 sentences. A government may have difficulty.Logical formLearned from211 sentences.