The art gallery features works by contemporary artists from Japan, China, and France, offering patrons the chance to see a kind of passionate innovative art.

Correct sentence - The art gallery features works by contemporary artists from Japan, China, and France, offering patrons the chance to see a kind of passionate, innovative art.

When the order of the adjectives does not matter, a comma should be used to separate them.

A parrot does not make an ideal pet for most people it requires much more attention and affection than many other animals do.

Correct sentence - A parrot does not make an ideal pet for most people: it requires much more attention and affection than many other animals do.

When a colon comes before an explanation, a complete sentence typically follows.

David woke up from the coma and asked, Why am I still in the hospital.

Correct sentence - David woke up from the coma and asked, Why am I still in the hospital?

Direct speech does exactly what its name implies: it asks questions directly.