Variations can be environmental.Logical formLearned from116 sentences. Variations can be in color.Logical formLearned from115 sentences. Variations can be strong.Logical formLearned from114 sentences. Variations can be systematic.Logical formLearned from113 sentences. A variation may pertain-to a female.Logical formLearned from113 sentences. Variations can be on a theme.Logical formLearned from113 sentences. A variation can be daily.Logical formLearned from111 sentences. A word may undergo variations.Logical formLearned from110 sentences. Variations can be on themes.Logical formLearned from109 sentences. A range can be constituted-of-or-filled-with variations.Logical formLearned from107 sentences. A variation can be in (plumage colours).Logical formLearned from106 sentences. Some species may show variation.Logical formLearned from105 sentences. Calculus can be constituted-of-or-filled-with variations.Logical formLearned from105 sentences. A word may undergo a variation.Logical formLearned from105 sentences. Variations can be popular.Logical formLearned from104 sentences.