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: composting bins
before: in pieces
after: built
attr: composition

Ex Output:
composition of composting bins was in pieces before and built afterwards

Ex Input:
entity: carpet
before: wet
after: dry
attr: dryness

Ex Output:
dryness of carpet was wet before and dry afterwards

Ex Input:
entity: mess
before: on oven
after: gone
attr: location

Ex Output:
location of mess was on the oven before and gone afterwards