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