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