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