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