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