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