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