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: sponge
before: under little pressure
after: under greater pressure
attr: pressure
[A]: pressure of sponge was under little pressure before and under greater pressure afterwards

[Q]: entity: airship
before: at beginning
after: ridorana cataract
attr: location
[A]: location of airship was at beginning before and ridorana cataract afterwards

[Q]: entity: options for fuels to use
before: unknown
after: known
attr: knowledge
[A]:
knowledge of options for fuels to use was unknown before and known afterwards