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: pigs in blanket 
before: in oven 
after: out of oven 
attr: location
Example Output: location of pigs in blanket was in oven before and out of oven afterwards

Example Input: entity: fluff 
before: on clothes 
after: removed 
attr: location
Example Output: location of fluff was on clothes before and removed afterwards

Example Input: entity: mongoose 
before: on map 
after: off map 
attr: state
Example Output:
state of mongoose was on map before and off map afterwards

