An instrument can be rigid.Logical formLearned from5 sentences. A (word order) can be rigid.Logical formLearned from5 sentences. An account can be rigid.Logical formLearned from5 sentences. Points can be rigid.Logical formLearned from5 sentences. Disks can be rigid.Logical formLearned from5 sentences. A social segregation can be rigid.Logical formLearned from5 sentences. A choice can be rigid.Logical formLearned from5 sentences. A situation can be rigid.Logical formLearned from5 sentences. Mechanisms can be rigid.Logical formLearned from5 sentences. A husband can be rigid.Logical formLearned from5 sentences. An opening can be rigid.Logical formLearned from5 sentences. An itinerary can be rigid.Logical formLearned from5 sentences. An institutional structure can be rigid.Logical formLearned from5 sentences. A binary can be rigid.Logical formLearned from5 sentences. Faces can be rigid.Logical formLearned from5 sentences.