Whales can be elusive.Logical formLearned from2 sentences. A marriage can be elusive.Logical formLearned from2 sentences. A jordanian can be elusive.Logical formLearned from2 sentences. A substance can be elusive.Logical formLearned from2 sentences. A champion can be elusive.Logical formLearned from2 sentences. (Mainstream success) may prove elusive.Logical formLearned from2 sentences. Optimism can be elusive.Logical formLearned from2 sentences. Neutrinoes can be elusive that something-is-the-case.Logical formLearned from2 sentences. Links may remain elusive.Logical formLearned from2 sentences. An elementary particle can be elusive.Logical formLearned from2 sentences. A goal may remain elusive.Logical formLearned from2 sentences. Attributes can be elusive.Logical formLearned from2 sentences. A (chemical identity) may prove elusive.Logical formLearned from2 sentences. Reconciliation may prove elusive.Logical formLearned from2 sentences. A (money trail) may prove elusive.Logical formLearned from2 sentences.