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