A network can be viable.Logical formLearned from57 sentences. A structure can be viable.Logical formLearned from56 sentences. An infrastructure can be viable.Logical formLearned from56 sentences. A society can be viable.Logical formLearned from55 sentences. Companies can be viable.Logical formLearned from55 sentences. A group can be viable.Logical formLearned from54 sentences. A habitat can be viable.Logical formLearned from54 sentences. An opponent can be viable.Logical formLearned from53 sentences. Operations can be viable.Logical formLearned from53 sentences. Quantities can be viable.Logical formLearned from52 sentences. A challenge can be viable.Logical formLearned from52 sentences. Parts can be viable.Logical formLearned from52 sentences. A case can be viable.Logical formLearned from52 sentences. Proposals can be viable.Logical formLearned from52 sentences. A profession can be viable.Logical formLearned from51 sentences.