Uniforms can be mandatory.Logical formLearned from19 sentences. An isolation can be mandatory.Logical formLearned from19 sentences. A (sex education) can be mandatory.Logical formLearned from19 sentences. Evacuations can be mandatory in a country.Logical formLearned from19 sentences. A convertible preferred stock can be mandatory.Logical formLearned from19 sentences. A military draft can be mandatory.Logical formLearned from19 sentences. Bans can be mandatory.Logical formLearned from19 sentences. A sharing can be mandatory.Logical formLearned from19 sentences. A (death penalty) can be mandatory for someone.Logical formLearned from19 sentences. A right can be mandatory.Logical formLearned from19 sentences. A release of players can be mandatory for some clubs.Logical formLearned from18 sentences. An embargo can be mandatory.Logical formLearned from18 sentences. A clause can be mandatory.Logical formLearned from18 sentences. Authorities can be mandatory.Logical formLearned from18 sentences. A (retirement date) can be mandatory.Logical formLearned from18 sentences.