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