Figure may show a variation.Logical formLearned from13 sentences. A study may find variations.Logical formLearned from13 sentences. Variations can be surprising.Logical formLearned from13 sentences. A variation can be urban.Logical formLearned from13 sentences. A variation can be acoustic.Logical formLearned from13 sentences. A response may undergo variations.Logical formLearned from13 sentences. A variation can be on a proposal.Logical formLearned from13 sentences. Variation can be in values.Logical formLearned from13 sentences. Variations can be among countries.Logical formLearned from13 sentences. Variations can be in a ratio.Logical formLearned from13 sentences. Variation can be in speech.Logical formLearned from13 sentences. Variations can be in delay.Logical formLearned from13 sentences. Levels may undergo a variation.Logical formLearned from13 sentences. A variation can be in practices.Logical formLearned from13 sentences. A variation can be slight.Logical formLearned from13 sentences.