Regular expressions may be constructed.Logical formLearned from9 sentences. A vivacity can be constituted-of-or-filled-with expression.Logical formLearned from9 sentences. An expression can be icy.Logical formLearned from9 sentences. An expression can be settled.Logical formLearned from9 sentences. A reaction may undergo an expression.Logical formLearned from9 sentences. A concern may undergo expressions.Logical formLearned from9 sentences. Dislike may undergo expressions.Logical formLearned from9 sentences. A cause may pertain-to an expression.Logical formLearned from9 sentences. A tradition may undergo expressions.Logical formLearned from9 sentences. Expressions can be in awks.Logical formLearned from9 sentences. Changes may affect (gene expression).Logical formLearned from9 sentences. Respect can be to freedom of expression.Logical formLearned from9 sentences. An approach may find expression.Logical formLearned from9 sentences. An expression may undergo a development.Logical formLearned from9 sentences. Operations can be with expressions.Logical formLearned from9 sentences.