A prototype may undergo a disappearance.Logical formLearned from6 sentences. A nuclear scientist may undergo a disappearance.Logical formLearned from6 sentences. A disappearance may trigger an investigation.Logical formLearned from6 sentences. Some figures may be deemed responsible for disappearances.Logical formLearned from6 sentences. A crocodile can be in a vicinity of a disappearance.Logical formLearned from6 sentences. Disappearances may surprise persons.Logical formLearned from6 sentences. A disappearance may be reported in a world-city.Logical formLearned from6 sentences. A newspaper may undergo a disappearance.Logical formLearned from6 sentences. Witnesses may undergo a disappearance.Logical formLearned from6 sentences. Suspects can be over a disappearance of a daughter.Logical formLearned from6 sentences. Investigations can be into a disappearance.Logical formLearned from6 sentences. A (police officer) may undergo a disappearance.Logical formLearned from6 sentences. A disappearance may come to light.Logical formLearned from6 sentences. A (passenger jet) may undergo a disappearance.Logical formLearned from6 sentences. Evidence may link a man to a disappearance.Logical formLearned from6 sentences.