An embryo can be viable.Logical formLearned from66 sentences. An argument can be viable.Logical formLearned from66 sentences. Systems can be viable.Logical formLearned from66 sentences. Programs can be viable.Logical formLearned from66 sentences. A (career path) can be viable.Logical formLearned from65 sentences. A settlement can be viable.Logical formLearned from65 sentences. A challenger can be viable.Logical formLearned from65 sentences. A state can be viable.Logical formLearned from65 sentences. A crop can be viable.Logical formLearned from64 sentences. A nation can be viable.Logical formLearned from64 sentences. An excuse can be viable.Logical formLearned from63 sentences. A tissue can be viable.Logical formLearned from63 sentences. Targets can be viable.Logical formLearned from63 sentences. Units can be viable.Logical formLearned from62 sentences. An environment can be viable.Logical formLearned from62 sentences.