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: coat hanger
before: on flat surface
after: hanging
attr: orientation

Answer: orientation of coat hanger was on flat surface before and hanging afterwards

Question: entity: stained area
before: odor free
after: vinegar smelling
attr: odor

Answer: odor of stained area was odor free before and vinegar smelling afterwards

Question: entity: uprights
before: separate
after: joined
attr: composition

Answer:
composition of uprights was separate before and joined afterwards