A (tsunami threat) may be based on data.Logical formLearned from8 sentences. Waters may pertain-to a tsunami.Logical formLearned from8 sentences. A country may launch a (tsunami warning system).Logical formLearned from8 sentences. Some tsunami may hit a country.Logical formLearned from8 sentences. A (tsunami warning) may be issued for a quake.Logical formLearned from8 sentences. A country may call_off a (tsunami alert).Logical formLearned from8 sentences. A (tsunami advisory) may be issued for a us-state.Logical formLearned from8 sentences. A (tsunami alarm) can be false.Logical formLearned from8 sentences. An undersea earthquake may unleash a tsunami.Logical formLearned from8 sentences. A tsunami may head.Logical formLearned from8 sentences. Some bodies can be constituted-of-or-filled-with (tsunami victims).Logical formLearned from8 sentences. A tsunami can be from a quake.Logical formLearned from8 sentences. A quake may trigger a (tsunami disaster).Logical formLearned from8 sentences. A (tsunami relief aid) can be international.Logical formLearned from8 sentences. A (tsunami threat) may exist to coastlines.Logical formLearned from8 sentences.