Tasks can be difficult.Logical formLearned from2 224 sentences. Negotiations can be difficult.Logical formLearned from2 177 sentences. Work can be difficult.Logical formLearned from2 112 sentences. Years can be difficult.Logical formLearned from2 048 sentences. Days can be difficult.Logical formLearned from2 011 sentences. A task can be difficult.Logical formLearned from1 940 sentences. Cases can be difficult.Logical formLearned from1 923 sentences. A game can be difficult.Logical formLearned from1 903 sentences. Moments can be difficult.Logical formLearned from1 799 sentences. A person can be difficult.Logical formLearned from1 768 sentences. A day can be difficult.Logical formLearned from1 697 sentences. A transition can be difficult.Logical formLearned from1 595 sentences. A male can be difficult.Logical formLearned from1 492 sentences. A relationship can be difficult.Logical formLearned from1 470 sentences. A match can be difficult.Logical formLearned from1 424 sentences.