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: fabric 
before: flat 
after: ironed 
attr: shape
Example Output: shape of fabric was flat before and ironed afterwards

Example Input: entity: you 
before: off mongoose 
after: on mongoose 
attr: location
Example Output: location of you was off the mongoose before and on the mongoose afterwards

Example Input: entity: shot 
before: unstaged 
after: staged 
attr: step
Example Output:
step of shot was unstaged before and staged afterwards

