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