A base can be for protesters.Logical formLearned from9 sentences. Some protesters may rip stones from streets.Logical formLearned from9 sentences. Protesters may demand wages.Logical formLearned from9 sentences. Protesters can be with placards.Logical formLearned from9 sentences. Protesters may plan rallies.Logical formLearned from9 sentences. Protesters may keep_up a push.Logical formLearned from9 sentences. Protesters may gather at a park.Logical formLearned from9 sentences. Dozens of police may keep protesters.Logical formLearned from9 sentences. Protesters may throw.Logical formLearned from9 sentences. Protesters may march on a base.Logical formLearned from9 sentences. Police may fire on (student protesters).Logical formLearned from9 sentences. Troops may ambush (student protesters).Logical formLearned from9 sentences. Protesters may wave a national flag.Logical formLearned from9 sentences. Protesters can be from an activist-organization.Logical formLearned from9 sentences. A (tent camp) may be set_uped by protesters.Logical formLearned from9 sentences.