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