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