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