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