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