Consider the following directed graph:

Considerthe following edgesets:

I. $\{(1,3),(1,4),(1,5)$; $(2,5)$; $(3,2),(3,4),(6,2),(6,4)\}$

II$.\{(1,2),(1,3),(4,1),(2,5),(3,6),(6,1),(6,4),(6,5)\}$

TIT. $\{(1,3),(1,4),(1,5),(2,5)$; $(5$; $2),(3$; $2),(3,4),(6,2),(6,4)$

IV$.\{(1,8),(1,4),(1,5),(2,5),(3,4),(6,2)$; $(6,4)\}$

V$.\{(3$;$2)$; $(1,4)$; $(6$; $2),(2,5),(1,3),(3,4),(1,5),(6,4)\}$

Which of these edge sets represent the precise edge set of the above graph?

Select one of the following options:

a$)$ I, II

b$)$ I, III, IV

c$)$ IV

d$)$ all of the above

e$)$ noneof the above