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:  entity: arm 
before: free 
after: grasped 
attr: state
Example solution: 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.

Problem: entity: you 
before: on mongoose 
after: hitting mongoose 
attr: focus

Solution: focus of you was on the mongoose before and hitting the mongoose afterwards