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