16 birds are flying in the sky towards sun in the evening, then 5 birds turn left. 5 birds turn right and 4 birds remain in the same direction towards the sun. In which direction does the remaining 2 birds are flying now?

Question

$\begin{array}{11} (a)\; East \\ (b)\; West \\ (c)\; North \\ (d)\; South \end{array}$