An engine may undergo variations.Logical formLearned from10 sentences. A variation can be red.Logical formLearned from10 sentences. A variation may be played.Logical formLearned from10 sentences. Variation can be in temperatures.Logical formLearned from10 sentences. A room can be for variation.Logical formLearned from10 sentences. A variation can be orthographic.Logical formLearned from10 sentences. Variations can be available.Logical formLearned from10 sentences. An instrument may undergo variations.Logical formLearned from10 sentences. A deed can be constituted-of-or-filled-with variation.Logical formLearned from10 sentences. Variations can be transient.Logical formLearned from10 sentences. A variation can be common.Logical formLearned from10 sentences. Regional variations can be in climate.Logical formLearned from10 sentences. Elements may undergo a variation.Logical formLearned from10 sentences. Variations can be on songs.Logical formLearned from10 sentences. An action may undergo a variation.Logical formLearned from10 sentences.