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