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: gears
before: unengaged
after: engaged
attr: orientation

A: orientation of gears was unengaged before and engaged afterwards
****
Q: entity: knowledge of golf rules
before: absent
after: present
attr: knowledge

A: knowledge of knowledge of golf rules was absent before and present afterwards
****
Q: entity: foil
before: on roll
after: on vessel
attr: location

A:
location of foil was on roll before and on vessel afterwards
****