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