TASK DEFINITION: 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.
PROBLEM: entity: you
before: unaware you needed to think ahead
after: aware you need to think ahead
attr: knowledge

SOLUTION: knowledge of you was unaware that you needed to think ahead before and aware that you need to think ahead afterwards

PROBLEM: entity: hole
before: obvious
after: concealed
attr: state

SOLUTION: state of hole was obvious before and concealed afterwards

PROBLEM: entity: container
before: closed
after: open
attr: openness

SOLUTION:
openness of container was closed before and open afterwards