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