Some vessels may protect an (exclusion zone).Logical formLearned from18 sentences. (Protest vessels) may pertain-to an activist-organization.Logical formLearned from18 sentences. (Fishing vessels) may operate in waters.Logical formLearned from18 sentences. Vessels can be in service.Logical formLearned from18 sentences. A destination may pertain-to a vessel.Logical formLearned from18 sentences. Some vessels can be in hands of pirates.Logical formLearned from18 sentences. A captain may pertain-to a (fishing vessel).Logical formLearned from18 sentences. A vessel can be close.Logical formLearned from18 sentences. Vessels may fly a flag of a country.Logical formLearned from18 sentences. A vessel may be docked.Logical formLearned from18 sentences. Vessels may take part.Logical formLearned from18 sentences. Vessels can be constituted-of-or-filled-with some countries.Logical formLearned from17 sentences. A collision can be with a (cargo vessel).Logical formLearned from17 sentences. Vessels may be given.Logical formLearned from17 sentences. A convoy can be constituted-of-or-filled-with vessels.Logical formLearned from17 sentences.