Pieces can be sporadic.Logical formLearned from15 sentences. (Power failures) can be sporadic.Logical formLearned from15 sentences. (Rebel attacks) can be sporadic.Logical formLearned from15 sentences. Checks can be sporadic.Logical formLearned from15 sentences. Power can be sporadic.Logical formLearned from15 sentences. (Bombing attacks) can be sporadic.Logical formLearned from15 sentences. A (machine gun) can be sporadic.Logical formLearned from15 sentences. An ethnic violence can be sporadic.Logical formLearned from15 sentences. Shootouts can be sporadic.Logical formLearned from15 sentences. Massacres can be sporadic.Logical formLearned from15 sentences. Activity can be sporadic.Logical formLearned from14 sentences. An output can be sporadic.Logical formLearned from14 sentences. An operation can be sporadic.Logical formLearned from14 sentences. Rockfalls can be sporadic.Logical formLearned from14 sentences. Movements can be sporadic.Logical formLearned from14 sentences.