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