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