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