\textbf{169.} In the figure below, the SI unit vector diagram includes red and green light rays entering a transparent liquid from air. Which of the figures below correctly shows the refraction path of light?
\textit{[Figure: Main diagram showing incident rays S and N with interface, liquid medium, and ray I. Four answer choices (1), (2), (3), (4) each showing different refraction configurations with red (فرمز) and green (سبز) rays]}