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: pickets/palings
before: random
after: spaced just right
attr: organization
[EX A]: organization of pickets/palings was random before and spaced just right afterwards

[EX Q]: entity: attention
before: focused on pump voltage
after: focused on ground of pump
attr: focus
[EX A]: focus of attention was focused on the pump voltage before and focused on the ground of the pump afterwards

[EX Q]: entity: necklace
before: unstrung
after: beaded
attr: composition
[EX A]:
composition of necklace was unstrung before and beaded afterwards