An upgrade can be to a system.Logical formLearned from18 sentences. Funding can be for upgrades.Logical formLearned from18 sentences. An upgrade may pertain-to a product.Logical formLearned from18 sentences. Upgrades can be timely.Logical formLearned from18 sentences. An upgrade may pertain-to a model.Logical formLearned from18 sentences. Upgrades may be made.Logical formLearned from18 sentences. A (rating upgrade) can be sovereign.Logical formLearned from18 sentences. Upgrades may be purchased.Logical formLearned from17 sentences. An upgrade may become geography.Logical formLearned from17 sentences. Upgrades can be modular.Logical formLearned from17 sentences. Upgrades can be constituted-of-or-filled-with software.Logical formLearned from17 sentences. An upgrade can be revolutionary.Logical formLearned from17 sentences. An upgrade can be electronic.Logical formLearned from17 sentences. Upgrades can be easy.Logical formLearned from17 sentences. A person can be ready for an upgrade.Logical formLearned from17 sentences.