A definition of living may remain elusive.Logical formLearned from2 sentences. An environment can be elusive.Logical formLearned from2 sentences. A type of violence can be elusive.Logical formLearned from2 sentences. A standard may prove elusive.Logical formLearned from2 sentences. Ties can be elusive.Logical formLearned from2 sentences. Individuals can be elusive.Logical formLearned from2 sentences. A (turnstile mechanism) can be elusive.Logical formLearned from2 sentences. An i-function can be elusive.Logical formLearned from2 sentences. An email can be elusive.Logical formLearned from2 sentences. Logic can be elusive.Logical formLearned from2 sentences. Women may prove elusive.Logical formLearned from2 sentences. An (age group) can be elusive.Logical formLearned from2 sentences. A whiff can be elusive.Logical formLearned from2 sentences. Estimates of (whale abundances) can be elusive.Logical formLearned from2 sentences. Data can be elusive.Logical formLearned from2 sentences.