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