A replacement can be for a database.Logical formLearned from3 sentences. Feudalism may undergo a replacement.Logical formLearned from3 sentences. Replacements can be for vessels.Logical formLearned from3 sentences. An economic system may undergo a replacement.Logical formLearned from3 sentences. Personnel may be assigned as replacements.Logical formLearned from3 sentences. A female may be named as a replacement.Logical formLearned from3 sentences. Replacement can be desirable.Logical formLearned from3 sentences. A replacement can be for engines.Logical formLearned from3 sentences. A replacement can be temporary.Logical formLearned from3 sentences. A replacement can be for class.Logical formLearned from3 sentences. Replacements may pertain-to a military-or-other-action-organization.Logical formLearned from3 sentences. Replacements may be documented.Logical formLearned from3 sentences. A (class submarine replacement project) may pertain-to a person.Logical formLearned from3 sentences. Circumstances may pertain-to a replacement.Logical formLearned from3 sentences. A replacement can be atomic.Logical formLearned from3 sentences.