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