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