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