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