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