A superiority can be elusive.Logical formLearned from1 sentences. A r.e.m. can be elusive.Logical formLearned from1 sentences. An institution can be elusive.Logical formLearned from1 sentences. Peace of mind can be elusive.Logical formLearned from1 sentences. World can be elusive.Logical formLearned from1 sentences. (Night flights) can be elusive.Logical formLearned from1 sentences. Causes of a condition can be elusive.Logical formLearned from1 sentences. An endeavor may prove elusive.Logical formLearned from1 sentences. A trolley can be elusive.Logical formLearned from1 sentences. A male can be elusive in a private life.Logical formLearned from1 sentences. A history of an instrument can be elusive.Logical formLearned from1 sentences. A secret of a mastery may remain elusive.Logical formLearned from1 sentences. A neutrino can be elusive.Logical formLearned from1 sentences. Ambitions can be elusive.Logical formLearned from1 sentences. A hormone can be elusive.Logical formLearned from1 sentences.