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