Upgrades can be to roads.Logical formLearned from9 sentences. An upgrade may be exemplified by a base.Logical formLearned from9 sentences. An upgrade may put muscle.Logical formLearned from9 sentences. An (operating system upgrade) may pertain-to a company.Logical formLearned from9 sentences. Capital can be for upgrades.Logical formLearned from9 sentences. A cycle can be constituted-of-or-filled-with upgrades.Logical formLearned from9 sentences. An impact may pertain-to an upgrade.Logical formLearned from9 sentences. An upgrade may pertain-to a (credit rating).Logical formLearned from9 sentences. An upgrade may pertain-to ratings.Logical formLearned from9 sentences. An upgrade may undergo an anticipation.Logical formLearned from9 sentences. Some upgrades may be completed.Logical formLearned from9 sentences. An (aircraft upgrade system) can be airborne.Logical formLearned from8 sentences. An upgrade may pertain-to a government.Logical formLearned from8 sentences. Upgrades can be to a game.Logical formLearned from8 sentences. A program can be constituted-of-or-filled-with upgrades.Logical formLearned from8 sentences.