Interactive Dinner Art Creation

I'm looking for a creative and engaging experience for a formal dinner event. Guests will be asked to answer four personal preference questions, each associated with a different color. At the end of the night, all their colored answers will be combined to create a unique piece of art... (Budget: $600 - $1000 USD, Jobs: Art Consulting, Art Installation, Creative Design, Event Management, Graphic Design, Illustration, Logo Design, Photoshop)