I am using standard bubbles input controls to create 4 options a learner can select to solve the problem. For each input, when the learner click on the bubble, I want the option to change color (e.g green when correct; red when incorrect; yellow to indicate the option could be done but its is not the best choice) and add an action to show the feedback for each option. There is a different feedback response for each option (bubble), not just correct/incorrect. Should I use a variable to cha...