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