A variation can be on a tilt-a-whirl.Logical formLearned from27 sentences. Variations can be in demand.Logical formLearned from27 sentences. Variations can be between countries.Logical formLearned from27 sentences. Variation can be in levels.Logical formLearned from26 sentences. Measures can be constituted-of-or-filled-with variation.Logical formLearned from26 sentences. Variations can be melodic.Logical formLearned from26 sentences. A name can be a variation.Logical formLearned from26 sentences. A variation may be used.Logical formLearned from26 sentences. Form may undergo variations.Logical formLearned from26 sentences. A formula may undergo a variation.Logical formLearned from26 sentences. A legend may undergo variations.Logical formLearned from26 sentences. Some variations may occur.Logical formLearned from26 sentences. Variations can be in solar radiation.Logical formLearned from26 sentences. A variation can be smooth.Logical formLearned from26 sentences. Variations can be expected.Logical formLearned from26 sentences.