Question 1 Khalid construction has been assigned to develop a motor way section sb1 [whole graph] as a project. This project is the combination of multiple Sb 2 dependent and independent subsections (every vertex]. Khalid construction Sb3 is in real trouble in selecting subsection from where the company can supply Sb4 all the needed material to all other subsections, directly or indirectly. Please Sb5 do help company in finding this subsection, if it is possible. As you have found Sb6 that subsection then tell the subsection and all the marked edges, to be used Sb7 from this subsection to all the other subsections. Following table provides all Sb8 subsections and connection details. (Exact solution or pseudo solution with graph help] Sb4, Sb5 Sb5, Sb7 Sb6, Sb1 Sb7, Sb8 Sb4, Sb6 Sb5 Sb8 Sb1, Sb4