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: rust
before: on wrought iron
after: on ground
attr: location

Answer: location of rust was on the wrought iron before and on the ground afterwards

Question: entity: you
before: unaware you needed to think ahead
after: aware you need to think ahead
attr: knowledge

Answer: knowledge of you was unaware that you needed to think ahead before and aware that you need to think ahead afterwards

Question: entity: performance ode
before: unentered
after: entered
attr: state

Answer:
state of performance ode was unentered before and entered afterwards