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