Fish may vanish.Logical formLearned from6 sentences. A threat of communism may vanish.Logical formLearned from6 sentences. A notion may vanish.Logical formLearned from6 sentences. A life-form may vanish.Logical formLearned from6 sentences. A number of species may vanish.Logical formLearned from6 sentences. Doubts may be vanished.Logical formLearned from6 sentences. Messages may vanish from a file.Logical formLearned from6 sentences. A history may vanish.Logical formLearned from6 sentences. Walls may vanish.Logical formLearned from6 sentences. An influence may vanish.Logical formLearned from6 sentences. Revenues may vanish into pockets of (oil executives).Logical formLearned from6 sentences. A latter may vanish.Logical formLearned from6 sentences. Duties may vanish.Logical formLearned from6 sentences. Some percent of a (predator fish) may vanish from oceans.Logical formLearned from6 sentences. (Veteran captain) may be vanished.Logical formLearned from6 sentences.