Fixes can be required.Logical formLearned from17 sentences. A delay can be required.Logical formLearned from17 sentences. Contracts can be required.Logical formLearned from17 sentences. A (field validator) can be required.Logical formLearned from17 sentences. An interval can be required.Logical formLearned from17 sentences. An elevation can be required.Logical formLearned from17 sentences. Royalties can be required.Logical formLearned from17 sentences. (Budget cuts) can be required.Logical formLearned from17 sentences. A magnitude can be required.Logical formLearned from17 sentences. Frequencies can be required.Logical formLearned from17 sentences. A retention can be required.Logical formLearned from17 sentences. A complexity can be required.Logical formLearned from17 sentences. Medical tests can be required.Logical formLearned from17 sentences. A petition can be required.Logical formLearned from17 sentences. A demonstration can be required.Logical formLearned from17 sentences.