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