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