Measures of safety may remain elusive.Logical formLearned from2 sentences. A co-factor can be elusive.Logical formLearned from2 sentences. A secret to finding a band can be elusive.Logical formLearned from2 sentences. A bioreaction can be elusive.Logical formLearned from2 sentences. Couriers can be elusive.Logical formLearned from2 sentences. An investor can be elusive.Logical formLearned from2 sentences. Heirs can be elusive.Logical formLearned from2 sentences. A meaning of comments can be elusive.Logical formLearned from2 sentences. A (killer virus) can be elusive.Logical formLearned from2 sentences. (Attack submarines) can be elusive.Logical formLearned from2 sentences. A daphne can be elusive.Logical formLearned from2 sentences. A title can be elusive.Logical formLearned from2 sentences. A riddle can be elusive.Logical formLearned from2 sentences. (Script numbers) can be elusive.Logical formLearned from2 sentences. An intangible can be elusive.Logical formLearned from2 sentences.