Because there has been not the slightest success in discovering how consciousness is created from atoms and molecules, our hypothesis is that consciousness came first; it is the source of evolution, life, creativity in nature and the emergence of intelligence.
A rose has no color until the visual cortex of the brain processes the information from photons striking the retina. That is indisputable. But nobody can spot how a neuron in the visual cortex suddenly "sees" red.
No philosopher using deduction or researcher using brain scans has been able to prove with certainty that our perception of the world matches "reality as it is out there."