A phenomenon may happen around the world.Logical formLearned from9 sentences. A US-president may represent a phenomenon.Logical formLearned from9 sentences. A phenomenon may undergo an iteration.Logical formLearned from9 sentences. A phenomenon may pertain-to a family.Logical formLearned from9 sentences. A phenomenon may stage a (repeat performance).Logical formLearned from9 sentences. A phenomenon may creep into a debate.Logical formLearned from9 sentences. Scientists may theorize a phenomenon.Logical formLearned from9 sentences. A phenomenon may surround a (pop singer).Logical formLearned from9 sentences. A male may head_up a phenomenon.Logical formLearned from9 sentences. A head may pertain-to a phenomenon.Logical formLearned from9 sentences. A phenomenon can be unheard-of.Logical formLearned from9 sentences. Explanation may pertain-to a phenomenon.Logical formLearned from9 sentences. An epicenter may pertain-to a phenomenon.Logical formLearned from9 sentences. A center may pertain-to a phenomenon.Logical formLearned from9 sentences. Women can be a phenomenon.Logical formLearned from9 sentences.