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