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