Variations may undergo a preservation.Logical formLearned from32 sentences. Reasons can be for variations.Logical formLearned from32 sentences. A variation can be on an approach.Logical formLearned from32 sentences. Variations can be on a model.Logical formLearned from32 sentences. Variations can be in income.Logical formLearned from32 sentences. A nature may pertain-to a variation.Logical formLearned from32 sentences. Parameters may undergo a variation.Logical formLearned from31 sentences. Variations can be in frequency.Logical formLearned from31 sentences. A gambit may undergo a variation.Logical formLearned from31 sentences. A result can be constituted-of-or-filled-with variation.Logical formLearned from31 sentences. Variations can be spontaneous.Logical formLearned from31 sentences. Variation can be among states.Logical formLearned from31 sentences. Pressure may undergo variations.Logical formLearned from31 sentences. A variation can be topographic.Logical formLearned from31 sentences. Variations can be in factors.Logical formLearned from31 sentences.