Moves can be difficult.Logical formLearned from136 sentences. A truth can be difficult.Logical formLearned from135 sentences. Climbs can be difficult.Logical formLearned from135 sentences. Transportation can be difficult.Logical formLearned from135 sentences. Tricks can be difficult.Logical formLearned from135 sentences. A run can be difficult.Logical formLearned from134 sentences. A behavior can be difficult.Logical formLearned from134 sentences. Efforts can be difficult.Logical formLearned from133 sentences. An environment can be difficult.Logical formLearned from133 sentences. Tasks can be difficult.Logical formLearned from133 sentences. A round can be difficult.Logical formLearned from133 sentences. Some months can be difficult.Logical formLearned from133 sentences. A weather can be difficult.Logical formLearned from132 sentences. A divorce can be difficult.Logical formLearned from132 sentences. A woman can be difficult.Logical formLearned from132 sentences.