A level may pertain-to an expression.Logical formLearned from13 sentences. An effect can be on expression.Logical formLearned from13 sentences. A mutation may undergo an expression.Logical formLearned from13 sentences. An (expression validator) can be regular.Logical formLearned from13 sentences. A person can be a facial expression.Logical formLearned from13 sentences. An impact can be on (gene expression).Logical formLearned from13 sentences. Constructs may undergo an expression.Logical formLearned from13 sentences. An expression may be dazed.Logical formLearned from13 sentences. An expression can be odd.Logical formLearned from13 sentences. An expression can be quizzical.Logical formLearned from13 sentences. A (death threat) can be a form of expression.Logical formLearned from13 sentences. An expression can be familial.Logical formLearned from13 sentences. A male may catch sight of an expression.Logical formLearned from13 sentences. Unease may undergo an expression.Logical formLearned from13 sentences. Attributes of some expression can be an egotism.Logical formLearned from13 sentences.