A strategy may undergo a variation.Logical formLearned from20 sentences. Variations may be detected.Logical formLearned from20 sentences. Themes may undergo variations.Logical formLearned from20 sentences. Parameters may undergo variations.Logical formLearned from20 sentences. Variation can be between states.Logical formLearned from20 sentences. A variation can be controlled.Logical formLearned from20 sentences. A variation can be on a theme.Logical formLearned from20 sentences. Variations can be congenital.Logical formLearned from19 sentences. A variation may be seen.Logical formLearned from19 sentences. Variations may undergo a discussion.Logical formLearned from19 sentences. Results may show variation.Logical formLearned from19 sentences. An attack may undergo a variation.Logical formLearned from19 sentences. A variation can be modified.Logical formLearned from19 sentences. A variation can be in density.Logical formLearned from19 sentences. Variations can be formal.Logical formLearned from19 sentences.