Extensible select and enumeration types

and their elements in schema VERIFICATION_AND_VALIDATION_MIM taking into account BASED_ON types


 action_items - EXTENSIBLE GENERIC_ENTITY SELECT
          applied_state_type_assignment

 characterized_product_definition - EXTENSIBLE SELECT
          product_definition
          product_definition_relationship

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          state_observed
          state_observed_assignment
          state_observed_relationship
          state_type
          state_type_assignment
          state_type_relationship

 evidence_item - EXTENSIBLE GENERIC_ENTITY SELECT
          validation
          verification

 groupable_item - EXTENSIBLE GENERIC_ENTITY SELECT
          product_definition_formation

 identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          product
          product_definition_formation
          state_type
          state_type_relationship

 requirement_assigned_item - EXTENSIBLE GENERIC_ENTITY SELECT

 requirement_satisfaction_item - EXTENSIBLE GENERIC_ENTITY SELECT
          requirement_assigned_item

 requirement_source_item - EXTENSIBLE GENERIC_ENTITY SELECT

 state_observed_of_item - EXTENSIBLE GENERIC_ENTITY SELECT
          group

 state_type_of_item - EXTENSIBLE GENERIC_ENTITY SELECT