A series can be retrospective.Logical formLearned from40 sentences. An examination can be retrospective.Logical formLearned from40 sentences. A compilation can be retrospective.Logical formLearned from39 sentences. Adjustments can be retrospective.Logical formLearned from38 sentences. An approach can be retrospective.Logical formLearned from38 sentences. Collections can be retrospective.Logical formLearned from34 sentences. A diagnosis can be retrospective.Logical formLearned from33 sentences. A coverage can be retrospective.Logical formLearned from33 sentences. A (conversion project) can be retrospective.Logical formLearned from30 sentences. Evaluations can be retrospective.Logical formLearned from30 sentences. A way can be retrospective.Logical formLearned from30 sentences. A design can be retrospective.Logical formLearned from29 sentences. An operation can be retrospective.Logical formLearned from28 sentences. A material can be retrospective.Logical formLearned from28 sentences. An investigation can be retrospective.Logical formLearned from28 sentences.