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