Which sentence uses the bold adjectives in the correct order?

She was fascinated by the antique green humongous tractor in the museum.

She was fascinated by the humongous antique green tractor in the museum.

She was fascinated by the humongous green antique tractor in the museum.

She was fascinated by the green antique humongous tractor in the museum.

She was fascinated by the humongous green antique tractor in the museum.