Your goal is to find the secret four-color code. The following colors are possible: yellow, blue, purple, brown, green, pink.
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', 'blue', 'brown', 'pink']. Hint: four colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'brown', 'green', 'green']. Hint: two colors are in the correct positions.
Guess: ['blue', 'brown', 'pink', 'green']. 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
blue, green, pink, yellow pink, brown, blue, green blue, pink, pink, purple brown, yellow, green, green