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