Victims may pertain-to an (earthquake and tsunami).Logical formLearned from5 sentences. Nations may be affected by a tsunami.Logical formLearned from5 sentences. A tsunami may be triggered by some earthquake.Logical formLearned from5 sentences. A tsunami may strike an island.Logical formLearned from5 sentences. Tsunamis may be caused by (undersea earthquakes).Logical formLearned from5 sentences. (Earthquake and tsunamis) may pertain-to an ocean.Logical formLearned from5 sentences. Tsunamis may travel.Logical formLearned from5 sentences. (Tsunami deposits) can be known.Logical formLearned from5 sentences. Risk can be from tsunamis.Logical formLearned from5 sentences. A (tsunami warning system) can be effective.Logical formLearned from5 sentences. A lesson may pertain-to a (tsunami disaster).Logical formLearned from5 sentences. A tsunami can be large-scale.Logical formLearned from5 sentences. A tsunami may reach a country.Logical formLearned from5 sentences. A height may pertain-to a tsunami.Logical formLearned from5 sentences. A (tsunami detection) may pertain-to a nation.Logical formLearned from5 sentences.