A challenge can be formidable.Logical formLearned from2 186 sentences. A task can be formidable.Logical formLearned from1 882 sentences. An opponent can be formidable.Logical formLearned from1 707 sentences. A force can be formidable.Logical formLearned from1 418 sentences. Challenges can be formidable.Logical formLearned from1 228 sentences. Obstacles can be formidable.Logical formLearned from830 sentences. A team can be formidable.Logical formLearned from824 sentences. A competitor can be formidable.Logical formLearned from798 sentences. A foe can be formidable.Logical formLearned from720 sentences. A candidate can be formidable.Logical formLearned from594 sentences. An obstacle can be formidable.Logical formLearned from556 sentences. Presence can be formidable.Logical formLearned from504 sentences. Power can be formidable.Logical formLearned from449 sentences. A competition can be formidable.Logical formLearned from436 sentences. An enemy can be formidable.Logical formLearned from424 sentences.