Your goal is to find the secret four-color code. The following colors are possible: orange, green, purple, pink, yellow, red.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['orange', 'red', 'yellow', 'green']. Hint: three colors are in the correct positions.
Guess: ['orange', 'orange', 'green', 'purple']. Hint: two colors are in the correct positions.
Guess: ['orange', 'red', 'green', 'green']. Hint: two colors are in the correct positions.
A B C D
pink, pink, red, orange orange, red, yellow, purple purple, red, purple, purple green, yellow, green, yellow