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.
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Question: entity: hands
before: by body
after: moved to paper
attr: orientation

Answer: orientation of hands was by body before and moved to paper afterwards

Question: entity: tempering valve
before: missing from toilet
after: installed on toilet
attr: state

Answer: state of tempering valve was missing from toilet before and installed on toilet afterwards

Question: entity: gravity hammer
before: unacquired
after: acquired
attr: ownership

Answer:
ownership of gravity hammer was unacquired before and acquired afterwards