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 Q]: entity: knowledge of the types of reels available
before: missing
after: present
attr: knowledge
[EX A]: knowledge of knowledge of the types of reels available was missing before and present afterwards

[EX Q]: entity: balls
before: bare
after: covered
attr: state
[EX A]: state of balls was bare before and covered afterwards

[EX Q]: entity: eyesight
before: blurry
after: focused with glasses
attr: clarity
[EX A]:
clarity of eyesight was blurry before and focused with glasses afterwards