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