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: red bull
before: in can
after: in glass
attr: container

Ex Output:
container of red bull was in can before and in glass afterwards

Ex Input:
entity: the cue ball
before: still
after: now in motion
attr: state

Ex Output:
state of the cue ball was still before and now in motion afterwards

Ex Input:
entity: tea cup
before: just held water
after: holding tea
attr: step

Ex Output:
step of tea cup was just held water before and holding tea afterwards