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