A coast can be safe.Logical formLearned from13 sentences. Small islands can be off a coast.Logical formLearned from13 sentences. A landing can be on a coast.Logical formLearned from13 sentences. A coast can be at risk.Logical formLearned from13 sentences. Oilfields can be off a coast.Logical formLearned from13 sentences. Militants may blast a (navy vessel) off a coast.Logical formLearned from13 sentences. A supertanker can be off a coast of a country.Logical formLearned from13 sentences. (West coast ports) may undergo reopenings.Logical formLearned from13 sentences. A peninsula can be on a coast.Logical formLearned from13 sentences. Waters can be off a northwest coast.Logical formLearned from12 sentences. A coast may pertain-to oil.Logical formLearned from12 sentences. (Coast areas) may pertain-to a country.Logical formLearned from12 sentences. A coast may pertain-to a chinese mainland.Logical formLearned from12 sentences. A (coast town) may pertain-to a country.Logical formLearned from12 sentences. An effect of a series of earthquakes may hit an east coast.Logical formLearned from12 sentences.