Sure, can I just put anything on there?
The most notable difference is that Naturalism focussed on creating realistic interpretations of reality with subtle, soft rendering as impressionistic paintings focussed on capturing a slightly more abstract interpretation of reality based on 'feeling' and artistic portrayal, often featuring visible brush strokes which was a controversial technique at the time of the movement.
Piano sonata forms consist of three main parts: exposition, development and recapitulation. So the answer is C) Oratorio
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