Your goal is to find the secret four-color code. The following colors are possible: white, yellow, brown, green, red, pink.
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: ['green', 'brown', 'pink', 'red']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['white', 'white', 'brown', 'green']. Hint: two colors are in the correct positions.
Guess: ['white', 'yellow', 'brown', 'pink']. 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, pink, pink, green pink, white, brown, yellow pink, pink, white, brown white, yellow, white, brown