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