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