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