A stonewall may undergo an erection.Logical formLearned from3 sentences. An erection can be attempted.Logical formLearned from3 sentences. Castles may undergo an erection.Logical formLearned from3 sentences. Safety can be in (steel erection).Logical formLearned from3 sentences. (Wall panels) may undergo an erection.Logical formLearned from3 sentences. Trusses may undergo an erection.Logical formLearned from3 sentences. Connection can be with an erection of buildings.Logical formLearned from3 sentences. A sum can be toward an erection.Logical formLearned from3 sentences. An erection of houses can be around temples.Logical formLearned from3 sentences. Monasteries may undergo an erection.Logical formLearned from3 sentences. A us-state may undergo an erection.Logical formLearned from3 sentences. An erection can be on a month.Logical formLearned from3 sentences. Convents may undergo an erection.Logical formLearned from3 sentences. Cathedrals may undergo an erection.Logical formLearned from3 sentences. An arch may undergo an erection.Logical formLearned from3 sentences.