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