Survival can be basic.Logical formLearned from363 sentences. Survival can be physical.Logical formLearned from350 sentences. A (survival strategy) can be in a (space age).Logical formLearned from349 sentences. Survival can be in a (space age).Logical formLearned from349 sentences. Teaching may teach for survival.Logical formLearned from349 sentences. A chance can be for survival.Logical formLearned from348 sentences. A key can be to survival.Logical formLearned from346 sentences. A regime may undergo survival.Logical formLearned from335 sentences. Survival can be personal.Logical formLearned from333 sentences. Survival may pertain-to a company.Logical formLearned from332 sentences. A battle can be for survival.Logical formLearned from327 sentences. Life may undergo survival.Logical formLearned from325 sentences. A hope can be for survival.Logical formLearned from319 sentences. A human race may undergo survival.Logical formLearned from315 sentences. A nation may undergo survival.Logical formLearned from307 sentences.