Structure may undergo variations.Logical formLearned from23 sentences. Variations can be in (business policies).Logical formLearned from23 sentences. Variations can be phonetic.Logical formLearned from23 sentences. Variations can be unlimited.Logical formLearned from23 sentences. A variation can be ecological.Logical formLearned from22 sentences. A test may undergo a variation.Logical formLearned from22 sentences. A reaction may undergo a variation.Logical formLearned from22 sentences. Variations can be intrinsic.Logical formLearned from22 sentences. Some source can be constituted-of-or-filled-with variation.Logical formLearned from22 sentences. Variations can be in age.Logical formLearned from22 sentences. Some variations can be on themes.Logical formLearned from22 sentences. Variations can be in patterns.Logical formLearned from22 sentences. Variations may mean that something-is-the-case.Logical formLearned from22 sentences. Degree may undergo a variation.Logical formLearned from22 sentences. A form may undergo a variation.Logical formLearned from22 sentences.