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.

Ex Input:
entity: materials 
before: at gun store 
after: at home 
attr: location

Ex Output:
location of materials was at gun store before and at home afterwards


Ex Input:
entity: you 
before: unaware you needed to think ahead 
after: aware you need to think ahead 
attr: knowledge

Ex Output:
knowledge of you was unaware that you needed to think ahead before and aware that you need to think ahead afterwards


Ex Input:
entity: stain 
before: dark 
after: light 
attr: state

Ex Output:

state of stain was dark before and light afterwards


