Given an entity, a before event, an after event, and an attribute related to the entity, generate a sentence as output. Your sentence should show the changes in the attribute of the entity.

Example Input: entity: character
before: standing still
after: looking around beach
attr: state
Example Output: state of character was standing still before and looking around the beach afterwards

Example Input: entity: fruit
before: unknown
after: chosen
attr: choice
Example Output: choice of fruit was unknown before, and chosen afterwards.

Example Input: entity: olive oil
before: in container
after: in blender
attr: location
Example Output:
location of olive oil was in container before and in blender afterwards