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.

Q: entity: leveler
before: in hand
after: on trailer
attr: location

A: location of leveler was in the hand before and on the trailer afterwards
****
Q: entity: heels
before: raised
after: lowered
attr: position

A: position of heels was raised before and lowasd afterwards
****
Q: entity: cocktail
before: absent
after: prepared
attr: availability

A:
availability of cocktail was absent before and prepared afterwards
****