A way can be rigid.Logical formLearned from138 sentences. Plastic can be rigid.Logical formLearned from137 sentences. An economy can be rigid.Logical formLearned from135 sentences. Restrictions can be rigid.Logical formLearned from134 sentences. Positions can be rigid.Logical formLearned from134 sentences. Guidelines can be rigid.Logical formLearned from133 sentences. Views can be rigid.Logical formLearned from132 sentences. An application can be rigid.Logical formLearned from132 sentences. A (labor market) can be rigid.Logical formLearned from131 sentences. Laws can be rigid.Logical formLearned from130 sentences. A material can be rigid.Logical formLearned from127 sentences. Lines can be rigid.Logical formLearned from127 sentences. A policy can be rigid.Logical formLearned from127 sentences. A timetable can be rigid.Logical formLearned from123 sentences. A format can be rigid.Logical formLearned from123 sentences.