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