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