Construction can be spectacular.Logical formLearned from15 sentences. Materials can be in construction.Logical formLearned from15 sentences. A new castle may undergo construction.Logical formLearned from15 sentences. A tram may undergo construction.Logical formLearned from15 sentences. Stations can be under construction.Logical formLearned from15 sentences. (Government spending) can be on construction.Logical formLearned from15 sentences. Gates may undergo construction.Logical formLearned from15 sentences. A (space elevator) may undergo construction.Logical formLearned from15 sentences. A male can be (construction engineer).Logical formLearned from15 sentences. Construction can be on a canal.Logical formLearned from15 sentences. (Confidence intervals) may undergo construction.Logical formLearned from15 sentences. A dry dock may undergo construction.Logical formLearned from15 sentences. Fortresses may undergo construction.Logical formLearned from15 sentences. Artificial islands may undergo construction.Logical formLearned from15 sentences. An airfield can be under construction.Logical formLearned from15 sentences.