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