A marketplace may choose functionality.Logical formLearned from4 sentences. A functionality may pertain-to a state.Logical formLearned from4 sentences. An (include directive) may have functionality.Logical formLearned from4 sentences. A functionality may pertain-to a model.Logical formLearned from4 sentences. A functionality can be unintended.Logical formLearned from4 sentences. Some improvements can be in functionality.Logical formLearned from4 sentences. A functionality may be provided by variables.Logical formLearned from4 sentences. Categories can be constituted-of-or-filled-with functionality.Logical formLearned from4 sentences. A need can be for a functionality.Logical formLearned from4 sentences. Functionality can be on a basis.Logical formLearned from4 sentences. A common base can be constituted-of-or-filled-with functionality.Logical formLearned from4 sentences. A functionality can be pervasive.Logical formLearned from4 sentences. Functionality may pertain-to tools.Logical formLearned from4 sentences. Gaps can be in functionality.Logical formLearned from4 sentences. Material may impart functionality.Logical formLearned from4 sentences.