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: character
before: standing still
after: looking around beach
attr: state

Ex Output:
state of character was standing still before and looking around the beach afterwards

Ex Input:
entity: wax
before: at factory
after: in store
attr: availability

Ex Output:
availability of wax was at factory before and in store afterwards

Ex Input:
entity: flowers
before: attached to plant
after: cut from stem
attr: size

Ex Output:
size of flowers was attached to plant before and cut from stem afterwards