A disappearance can be gradual.Logical formLearned from251 sentences. A wife may undergo a disappearance.Logical formLearned from244 sentences. Connection can be with a disappearance.Logical formLearned from240 sentences. A girl may undergo a disappearance.Logical formLearned from238 sentences. Circumstances may pertain-to a disappearance.Logical formLearned from221 sentences. A role can be in a disappearance.Logical formLearned from192 sentences. A woman may undergo a disappearance.Logical formLearned from187 sentences. An anniversary may pertain-to a disappearance.Logical formLearned from187 sentences. An investigation can be into a disappearance.Logical formLearned from184 sentences. Persons may undergo a disappearance.Logical formLearned from184 sentences. A couple may undergo a disappearance.Logical formLearned from175 sentences. A boy may undergo a disappearance.Logical formLearned from163 sentences. A disappearance may pertain-to a son.Logical formLearned from160 sentences. A man may undergo a disappearance.Logical formLearned from158 sentences. A disappearance may pertain-to a father.Logical formLearned from154 sentences.