A (nonfiction variation) can be on themes.Logical formLearned from31 sentences. Causes may pertain-to variations.Logical formLearned from31 sentences. Part may pertain-to a variation.Logical formLearned from31 sentences. A measure can be constituted-of-or-filled-with variation.Logical formLearned from31 sentences. A set can be constituted-of-or-filled-with some variations.Logical formLearned from31 sentences. Variation can be in a sample.Logical formLearned from31 sentences. Variation can be in a wording of questions.Logical formLearned from31 sentences. A character may undergo variations.Logical formLearned from31 sentences. A disease may undergo a variation.Logical formLearned from31 sentences. Variations can be in characteristics.Logical formLearned from31 sentences. A concept may undergo a variation.Logical formLearned from31 sentences. Variations can be in rates.Logical formLearned from31 sentences. An approach may undergo variations.Logical formLearned from31 sentences. Variations can be isotopic.Logical formLearned from31 sentences. Variation can be in behavior.Logical formLearned from31 sentences.