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