(Opposition protesters) may block roads.Logical formLearned from15 sentences. Sympathy can be for protesters.Logical formLearned from15 sentences. A sign can be constituted-of-or-filled-with protesters.Logical formLearned from15 sentences. Protesters may occupy an (oil facility).Logical formLearned from15 sentences. A person may film a group of protesters.Logical formLearned from15 sentences. A demand may pertain-to protesters.Logical formLearned from15 sentences. A shootout can be between protesters.Logical formLearned from15 sentences. Protesters can be with gas.Logical formLearned from15 sentences. Protesters may blow whistles.Logical formLearned from15 sentences. Protesters can be a force.Logical formLearned from15 sentences. Protesters may seek an ouster of a government.Logical formLearned from15 sentences. A protester may set himself.Logical formLearned from15 sentences. Some protesters may break.Logical formLearned from15 sentences. Some protesters may be arrested in a world-city.Logical formLearned from15 sentences. Some protesters may be stopped by police.Logical formLearned from15 sentences.