(Construction workers) can be black.Logical formLearned from16 sentences. Persons can be (construction company).Logical formLearned from16 sentences. Construction may eliminate a need.Logical formLearned from16 sentences. Construction can be stupid.Logical formLearned from16 sentences. A (brass construction) can be solid.Logical formLearned from16 sentences. A clock may undergo construction.Logical formLearned from16 sentences. Construction may pertain-to a philosopher.Logical formLearned from16 sentences. An (engine plant) may undergo construction.Logical formLearned from16 sentences. Castles may undergo construction.Logical formLearned from16 sentences. Others may undergo construction.Logical formLearned from16 sentences. Construction can be generous.Logical formLearned from16 sentences. Construction can be convenient.Logical formLearned from16 sentences. Construction may start on a project.Logical formLearned from16 sentences. Turbines may undergo construction.Logical formLearned from16 sentences. Construction may result in deaths of thousands of students.Logical formLearned from16 sentences.