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