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