A core may pertain-to meetings.Logical formLearned from15 sentences. A core may change.Logical formLearned from15 sentences. A core may pertain-to a mystery.Logical formLearned from15 sentences. A core may pertain-to a scientist.Logical formLearned from15 sentences. A core can be developed.Logical formLearned from15 sentences. (Core businesses) can be strong.Logical formLearned from15 sentences. A (core index) may strip_out food.Logical formLearned from15 sentences. A core may pertain-to a drive.Logical formLearned from15 sentences. An agreement may address (core issues).Logical formLearned from15 sentences. (Core values) may pertain-to a society.Logical formLearned from15 sentences. (Core machinery orders) may pertain-to a country.Logical formLearned from15 sentences. (Core members) may pertain-to a cell.Logical formLearned from15 sentences. A core can be hard-line.Logical formLearned from15 sentences. A core may pertain-to nuclear arsenals.Logical formLearned from15 sentences. A core may pertain-to a nuclear arsenal.Logical formLearned from15 sentences.