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: body 
before: cold 
after: hot 
attr: temperature
Example Output: temperature of body was cold before and hot afterwards

Example Input: entity: bottle 
before: empty 
after: full 
attr: state
Example Output: state of bottle was empty before and full afterwards

Example Input: entity: mess 
before: on oven 
after: gone 
attr: location
Example Output:
location of mess was on the oven before and gone afterwards

