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: hypothesis for fuel pump
before: created
after: tested
attr: knowledge
[EX A]: knowledge of hypothesis for fuel pump was created before and tested afterwards

[EX Q]: entity: tub
before: empty
after: full
attr: state
[EX A]: state of tub was empty before and full afterwards

[EX Q]: entity: mug
before: in hand
after: on table
attr: location
[EX A]:
location of mug was in hand before and on table afterwards