Your goal is to find the secret four-color code. The following colors are possible: purple, yellow, pink, orange, red, black.
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: ['black', 'purple', 'yellow', 'orange']. Hint: three colors are in the correct positions.
Guess: ['purple', 'purple', 'pink', 'yellow']. Hint: two colors are in the correct positions.
Guess: ['black', 'purple', 'yellow', 'yellow']. Hint: two colors are in the correct positions.
A B C D
purple, pink, yellow, orange orange, pink, purple, orange black, purple, pink, orange pink, yellow, red, pink