edit the supplied image by changing only the wood stain colour of the four existing bowls preserve the original image exactly the geometry recess shapes dimensions thickness arrangement seams between the four separate pieces camera angle framing background lighting and shadows apply these colours to the bowls as positioned in the image upper left square bowl with a circular recess deep black wood stain upper right rectangular bowl with an elongated recess deep burgundy wine red wood stain lower right square bowl with a circular recess dark navy blue wood stain lower left rectangular bowl with an elongated recess dark forest green wood stain use translucent wood stains that colour the oak while keeping its natural grain clearly visible preserve the exact existing grain pattern grain direction pores subtle milling traces and texture of each individual piece retain natural tonal variations within the grain including on the recessed surfaces and visible edges each colour must cover the entire corresponding piece consistently top surface recessed interior and exposed sides keep crisp colour boundaries at the existing seams with no colour bleeding between pieces maintain the original fully matte finely sanded finish ensure the grain remains readable even on the black bowl with subtle tonal contrast rather than a featureless black surface do not apply opaque paint glossy varnish or a plastic looking finish do not regenerate or replace the wood textures do not alter move resize merge or add any objects no labels numbers or text the result must look like the exact same photograph of the exact same four oak bowls with only their stain colours changed
