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