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