Complex sentence: The title HowNutsAreTheDutch was reported to be inspired by the Pandora foundation, a Dutch patient organization for people with mental health problems which used playful posters to inform the public and reduce stigma.
Split into simpler sentences: The title HowNutsAreTheDutch was reported to be inspired by the Pandora foundation. The Pandora foundation was a Dutch patient organization for people with mental health problems which used playful posters to inform the public and reduce stigma.