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