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.

entity: stained area
before: odor free
after: vinegar smelling
attr: odor
odor of stained area was odor free before and vinegar smelling afterwards

entity: egg
before: intact
after: hatched
attr: state
state of egg was intact before and hatched afterwards

entity: vines
before: untrained
after: trained
attr: size
size of vines was untrained before and trained afterwards