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