A tsunami can be from some earthquake.Logical formLearned from10 sentences. A shelter can be after a tsunami.Logical formLearned from10 sentences. Islands may be ravaged by a tsunami.Logical formLearned from10 sentences. (Tsunami waves) may crash.Logical formLearned from10 sentences. Some nations may be damaged by a tsunami.Logical formLearned from10 sentences. A tsunami may be spawned by some earthquake.Logical formLearned from10 sentences. Some nations can be subject to (tsunami warnings).Logical formLearned from10 sentences. A (tsunami watch) can be for a us-state.Logical formLearned from10 sentences. (Tsunami warning) may be issued after quake.Logical formLearned from10 sentences. A (tsunami warning) can be for areas of a region.Logical formLearned from10 sentences. An envoy can be for (tsunami recovery).Logical formLearned from10 sentences. A tsunami may crash into coastlines.Logical formLearned from10 sentences. A (tsunami warning) can be in a country.Logical formLearned from10 sentences. A tsunami can be effective.Logical formLearned from10 sentences. Communities may be devastated by a tsunami.Logical formLearned from10 sentences.