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: arm 
before: free 
after: grasped 
attr: state
Example output: state of arm was free before and grasped afterwards
Example explanation: The attribute state of the entity arm was free before and afterwards it was grasped hence the output.
Q: entity: mongoose 
before: on map 
after: off map 
attr: state
A:
state of mongoose was on map before and off map afterwards