Autumn can be a series of demonstrations.Logical formLearned from2 sentences. (Autumn migration) may undergo timing.Logical formLearned from2 sentences. (Leaf drop) can be in an autumn.Logical formLearned from2 sentences. An (influenza epidemic) may strike a nation an autumn.Logical formLearned from2 sentences. An (autumn visit) can be annual.Logical formLearned from2 sentences. Flowers can be in autumn.Logical formLearned from2 sentences. Early autumn may pertain-to a year.Logical formLearned from2 sentences. An (autumn evening) can be misty.Logical formLearned from2 sentences. An autumn can be misty.Logical formLearned from2 sentences. (Opinion polls) may be conducted during an autumn.Logical formLearned from2 sentences. An autumn can be effective.Logical formLearned from2 sentences. An (autumn baroclinic zone) can be into a tropics.Logical formLearned from2 sentences. Dust can be from an (autumn baroclinic zone).Logical formLearned from2 sentences. An (autumn storm) can be constituted-of-or-filled-with wind.Logical formLearned from2 sentences. Fields can be in a (chill dusk) of an (autumn evening).Logical formLearned from2 sentences.