A reputation can be formidable.Logical formLearned from412 sentences. Opposition can be formidable.Logical formLearned from409 sentences. A rival can be formidable.Logical formLearned from407 sentences. Opponents can be formidable.Logical formLearned from404 sentences. A barrier can be formidable.Logical formLearned from398 sentences. A weapon can be formidable.Logical formLearned from335 sentences. An adversary can be formidable.Logical formLearned from328 sentences. An array can be formidable.Logical formLearned from313 sentences. A threat can be formidable.Logical formLearned from294 sentences. A male can be formidable.Logical formLearned from278 sentences. Problems can be formidable.Logical formLearned from259 sentences. Competitors can be formidable.Logical formLearned from245 sentences. Barriers can be formidable.Logical formLearned from230 sentences. A figure can be formidable.Logical formLearned from225 sentences. An army can be formidable.Logical formLearned from223 sentences.