A boyfriend may undergo a disappearance.Logical formLearned from13 sentences. A disappearance may pertain-to a teen.Logical formLearned from13 sentences. A writer may undergo a disappearance.Logical formLearned from13 sentences. Regard can be to a disappearance.Logical formLearned from13 sentences. A disappearance may pertain-to a weekday.Logical formLearned from13 sentences. A person may investigate disappearances of some spaniards.Logical formLearned from13 sentences. Businessman may undergo a disappearance.Logical formLearned from13 sentences. Detainees may undergo a disappearance.Logical formLearned from13 sentences. A male may investigate disappearances of some persons.Logical formLearned from13 sentences. A female may be involved in a disappearance.Logical formLearned from13 sentences. (Opposition leaders) may undergo a disappearance.Logical formLearned from13 sentences. An (ice cap) may undergo a disappearance.Logical formLearned from13 sentences. A women may undergo disappearances.Logical formLearned from13 sentences. A disappearance may pertain-to tourists.Logical formLearned from13 sentences. (Family members) may undergo a disappearance.Logical formLearned from13 sentences.