Fortresses may undergo an erection.Logical formLearned from3 sentences. Land may undergo an erection.Logical formLearned from3 sentences. A second temple may undergo an erection.Logical formLearned from3 sentences. A foundation can be for an erection of a theory.Logical formLearned from3 sentences. Pillars may undergo an erection.Logical formLearned from3 sentences. Monument may undergo an erection.Logical formLearned from3 sentences. Machinery may undergo an erection.Logical formLearned from3 sentences. Panels may undergo an erection.Logical formLearned from3 sentences. Storks can be by erection of barriers.Logical formLearned from3 sentences. Columns may undergo an erection.Logical formLearned from3 sentences. Erections may subside.Logical formLearned from3 sentences. A male may put a hand on an erection.Logical formLearned from3 sentences. Men may experience erection.Logical formLearned from3 sentences. A (boat house) may undergo an erection.Logical formLearned from3 sentences. Erections can be decreased.Logical formLearned from3 sentences.