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