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: sponge
before: clean
after: dirty
attr: cleanness
[A]: cleanness of sponge was clean before and dirty afterwards

[Q]: entity: you
before: quiet
after: talking
attr: volume
[A]: volume of you was quiet before and talking afterwards

[Q]: entity: frame of step
before: one only
after: several
attr: number
[A]:
number of frame of step was one only before and several afterwards