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