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