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