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